Add filtered search visual tokens

app/assets/javascripts/droplab/droplab_ajax.js

@@ -37,11 +37,14 @@ require('../window')(function(w){
         }
       }
 
+      if (!self.destroyed) {
         self.hook.list[config.method].call(self.hook.list, data);
+      }
     },
 
     init: function init(hook) {
       var self = this;
+      self.destroyed = false;
       self.cache = self.cache || {};
       var config = hook.config.droplabAjax;
       this.hook = hook;
@@ -79,6 +82,7 @@ require('../window')(function(w){
 
     destroy: function() {
       var dynamicList = this.hook.list.list.querySelector('[data-dynamic]');
+      this.destroyed = true;
       if (this.listTemplate && dynamicList) {
         dynamicList.outerHTML = this.listTemplate;
       }

app/assets/javascripts/filtered_search/dropdown_hint.js

@@ -28,6 +28,23 @@ require('./filtered_search_dropdown');
           const tag = selected.querySelector('.js-filter-tag').innerText.trim();
 
           if (tag.length) {
+            // Get previous input values in the input field and convert them into visual tokens
+            const previousInputValues = this.input.value.split(' ');
+            const searchTerms = [];
+
+            previousInputValues.forEach((value, index) => {
+              searchTerms.push(value);
+
+              if (index === previousInputValues.length - 1
+                && token.indexOf(value.toLowerCase()) !== -1) {
+                searchTerms.pop();
+              }
+            });
+
+            if (searchTerms.length > 0) {
+              gl.FilteredSearchVisualTokens.addSearchVisualToken(searchTerms.join(' '));
+            }
+
             gl.FilteredSearchDropdownManager.addWordToInput(token.replace(':', ''));
           }
           this.dismissDropdown();
@@ -39,7 +56,7 @@ require('./filtered_search_dropdown');
     renderContent() {
       const dropdownData = [];
 
-      [].forEach.call(this.input.parentElement.querySelectorAll('.dropdown-menu'), (dropdownMenu) => {
+      [].forEach.call(this.input.closest('.filtered-search-input-container').querySelectorAll('.dropdown-menu'), (dropdownMenu) => {
         const { icon, hint, tag } = dropdownMenu.dataset;
         if (icon && hint && tag) {
           dropdownData.push({

app/assets/javascripts/filtered_search/dropdown_user.js

@@ -39,7 +39,12 @@ require('./filtered_search_dropdown');
     getSearchInput() {
       const query = gl.DropdownUtils.getSearchInput(this.input);
       const { lastToken } = gl.FilteredSearchTokenizer.processTokens(query);
-      let value = lastToken.value || '';
+
+      let value = lastToken || '';
+
+      if (value[0] === '@') {
+        value = value.slice(1);
+      }
 
       // Removes the first character if it is a quotation so that we can search
       // with multiple words

app/assets/javascripts/filtered_search/dropdown_utils.js

@@ -22,12 +22,17 @@
 
     static filterWithSymbol(filterSymbol, input, item) {
       const updatedItem = item;
-      const query = gl.DropdownUtils.getSearchInput(input);
-      const { lastToken, searchToken } = gl.FilteredSearchTokenizer.processTokens(query);
+      const searchInput = gl.DropdownUtils.getSearchInput(input);
 
-      if (lastToken !== searchToken) {
       const title = updatedItem.title.toLowerCase();
-        let value = lastToken.value.toLowerCase();
+      let value = searchInput.toLowerCase();
+      let symbol = '';
+
+      // Remove the symbol for filter
+      if (value[0] === filterSymbol) {
+        symbol = value[0];
+        value = value.slice(1);
+      }
 
       // Removes the first character if it is a quotation so that we can search
       // with multiple words
@@ -36,24 +41,21 @@
       }
 
       // Eg. filterSymbol = ~ for labels
-        const matchWithoutSymbol = lastToken.symbol === filterSymbol && title.indexOf(value) !== -1;
-        const match = title.indexOf(`${lastToken.symbol}${value}`) !== -1;
+      const matchWithoutSymbol = symbol === filterSymbol && title.indexOf(value) !== -1;
+      const match = title.indexOf(`${symbol}${value}`) !== -1;
 
       updatedItem.droplab_hidden = !match && !matchWithoutSymbol;
-      } else {
-        updatedItem.droplab_hidden = false;
-      }
 
       return updatedItem;
     }
 
     static filterHint(input, item) {
       const updatedItem = item;
-      const query = gl.DropdownUtils.getSearchInput(input);
-      let { lastToken } = gl.FilteredSearchTokenizer.processTokens(query);
+      const searchInput = gl.DropdownUtils.getSearchInput(input);
+      let { lastToken } = gl.FilteredSearchTokenizer.processTokens(searchInput);
       lastToken = lastToken.key || lastToken || '';
 
-      if (!lastToken || query.split('').last() === ' ') {
+      if (!lastToken || searchInput.split('').last() === ' ') {
         updatedItem.droplab_hidden = false;
       } else if (lastToken) {
         const split = lastToken.split(':');
@@ -70,13 +72,40 @@
       const dataValue = selected.getAttribute('data-value');
 
       if (dataValue) {
-        gl.FilteredSearchDropdownManager.addWordToInput(filter, dataValue);
+        gl.FilteredSearchDropdownManager.addWordToInput(filter, dataValue, true);
       }
 
       // Return boolean based on whether it was set
       return dataValue !== null;
     }
 
+    static getSearchQuery() {
+      const tokensContainer = document.querySelector('.tokens-container');
+      const values = [];
+
+      [].forEach.call(tokensContainer.querySelectorAll('.js-visual-token'), (token) => {
+        const name = token.querySelector('.name');
+        const value = token.querySelector('.value');
+        const symbol = value && value.dataset.symbol ? value.dataset.symbol : '';
+        let valueText = '';
+
+        if (value && value.innerText) {
+          valueText = value.innerText;
+        }
+
+        if (token.className.indexOf('filtered-search-token') !== -1) {
+          values.push(`${name.innerText.toLowerCase()}:${symbol}${valueText}`);
+        } else {
+          values.push(name.innerText);
+        }
+      });
+
+      const input = document.querySelector('.filtered-search');
+      values.push(input && input.value);
+
+      return values.join(' ');
+    }
+
     static getSearchInput(filteredSearchInput) {
       const inputValue = filteredSearchInput.value;
       const { right } = gl.DropdownUtils.getInputSelectionPosition(filteredSearchInput);

app/assets/javascripts/filtered_search/filtered_search_bundle.js

@@ -7,3 +7,4 @@ require('./filtered_search_dropdown');
 require('./filtered_search_manager');
 require('./filtered_search_token_keys');
 require('./filtered_search_tokenizer');
+require('./filtered_search_visual_tokens');

app/assets/javascripts/filtered_search/filtered_search_dropdown.js

@@ -35,7 +35,7 @@
 
         if (!dataValueSet) {
           const value = getValueFunction(selected);
-          gl.FilteredSearchDropdownManager.addWordToInput(this.filter, value);
+          gl.FilteredSearchDropdownManager.addWordToInput(this.filter, value, true);
         }
 
         this.dismissDropdown();

app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js

@@ -58,35 +58,15 @@
       };
     }
 
-    static addWordToInput(tokenName, tokenValue = '') {
+    static addWordToInput(tokenName, tokenValue = '', clicked = false) {
       const input = document.querySelector('.filtered-search');
-      const inputValue = input.value;
-      const word = `${tokenName}:${tokenValue}`;
 
-      // Get the string to replace
-      let newCaretPosition = input.selectionStart;
-      const { left, right } = gl.DropdownUtils.getInputSelectionPosition(input);
+      gl.FilteredSearchVisualTokens.addFilterVisualToken(tokenName, tokenValue);
+      input.value = '';
 
-      input.value = `${inputValue.substr(0, left)}${word}${inputValue.substr(right)}`;
-
-      // If we have added a tokenValue at the end of the input,
-      // add a space and set selection to the end
-      if (right >= inputValue.length && tokenValue !== '') {
-        input.value += ' ';
-        newCaretPosition = input.value.length;
-      }
-
-      gl.FilteredSearchDropdownManager.updateInputCaretPosition(newCaretPosition, input);
+      if (clicked) {
+        gl.FilteredSearchVisualTokens.moveInputToTheRight();
       }
-
-    static updateInputCaretPosition(selectionStart, input) {
-      // Reset the position
-      // Sometimes can end up at end of input
-      input.setSelectionRange(selectionStart, selectionStart);
-
-      const { right } = gl.DropdownUtils.getInputSelectionPosition(input);
-
-      input.setSelectionRange(right, right);
     }
 
     updateCurrentDropdownOffset() {
@@ -94,19 +74,14 @@
     }
 
     updateDropdownOffset(key) {
-      if (!this.font) {
-        this.font = window.getComputedStyle(this.filteredSearchInput).font;
-      }
-
-      const input = this.filteredSearchInput;
-      const inputText = input.value.slice(0, input.selectionStart);
-      const filterIconPadding = 27;
-      let offset = gl.text.getTextWidth(inputText, this.font) + filterIconPadding;
+      // Always align dropdown with the input field
+      let offset = this.filteredSearchInput.getBoundingClientRect().left - document.querySelector('.scroll-container').getBoundingClientRect().left;
 
-      const currentDropdownWidth = this.mapping[key].element.clientWidth === 0 ? 200 :
-      this.mapping[key].element.clientWidth;
-      const offsetMaxWidth = this.filteredSearchInput.clientWidth - currentDropdownWidth;
+      const maxInputWidth = 240;
+      const currentDropdownWidth = this.mapping[key].element.clientWidth || maxInputWidth;
 
+      // Make sure offset never exceeds the input container
+      const offsetMaxWidth = document.querySelector('.scroll-container').clientWidth - currentDropdownWidth;
       if (offsetMaxWidth < offset) {
         offset = offsetMaxWidth;
       }
@@ -164,8 +139,8 @@
     }
 
     setDropdown() {
-      const { lastToken, searchToken } = this.tokenizer
-        .processTokens(gl.DropdownUtils.getSearchInput(this.filteredSearchInput));
+      const query = gl.DropdownUtils.getSearchQuery();
+      const { lastToken, searchToken } = this.tokenizer.processTokens(query);
 
       if (this.currentDropdown) {
         this.updateCurrentDropdownOffset();

app/assets/javascripts/filtered_search/filtered_search_visual_tokens.js

+class FilteredSearchVisualTokens {
+  static getLastVisualTokenBeforeInput() {
+    const inputLi = document.querySelector('.input-token');
+    const lastVisualToken = inputLi && inputLi.previousElementSibling;
+
+    return {
+      lastVisualToken,
+      isLastVisualTokenValid: lastVisualToken === null || lastVisualToken.className.indexOf('filtered-search-term') !== -1 || (lastVisualToken && lastVisualToken.querySelector('.value') !== null),
+    };
+  }
+
+  static unselectTokens() {
+    const otherTokens = document.querySelectorAll('.js-visual-token .selectable.selected');
+    [].forEach.call(otherTokens, t => t.classList.remove('selected'));
+  }
+
+  static selectToken(tokenButton) {
+    const selected = tokenButton.classList.contains('selected');
+    FilteredSearchVisualTokens.unselectTokens();
+
+    if (!selected) {
+      tokenButton.classList.add('selected');
+    }
+  }
+
+  static removeSelectedToken() {
+    const selected = document.querySelector('.js-visual-token .selected');
+
+    if (selected) {
+      const li = selected.closest('.js-visual-token');
+      li.parentElement.removeChild(li);
+    }
+  }
+
+  static createVisualTokenElementHTML() {
+    return `
+      <div class="selectable" role="button">
+        <div class="name"></div>
+        <div class="value"></div>
+      </div>
+    `;
+  }
+
+  static addVisualTokenElement(name, value, isSearchTerm) {
+    const li = document.createElement('li');
+    li.classList.add('js-visual-token');
+    li.classList.add(isSearchTerm ? 'filtered-search-term' : 'filtered-search-token');
+
+    if (value) {
+      li.innerHTML = FilteredSearchVisualTokens.createVisualTokenElementHTML();
+      li.querySelector('.value').innerText = value;
+    } else {
+      li.innerHTML = '<div class="name"></div>';
+    }
+    li.querySelector('.name').innerText = name;
+
+    const tokensContainer = document.querySelector('.tokens-container');
+    const input = document.querySelector('.filtered-search');
+    tokensContainer.insertBefore(li, input.parentElement);
+  }
+
+  static addValueToPreviousVisualTokenElement(value) {
+    const { lastVisualToken, isLastVisualTokenValid } =
+      FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
+
+    if (!isLastVisualTokenValid && lastVisualToken.classList.contains('filtered-search-token')) {
+      const name = FilteredSearchVisualTokens.getLastTokenPartial();
+      lastVisualToken.innerHTML = FilteredSearchVisualTokens.createVisualTokenElementHTML();
+      lastVisualToken.querySelector('.name').innerText = name;
+      lastVisualToken.querySelector('.value').innerText = value;
+    }
+  }
+
+  static addFilterVisualToken(tokenName, tokenValue) {
+    const { lastVisualToken, isLastVisualTokenValid }
+      = FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
+    const addVisualTokenElement = FilteredSearchVisualTokens.addVisualTokenElement;
+
+    if (isLastVisualTokenValid) {
+      addVisualTokenElement(tokenName, tokenValue);
+    } else {
+      const previousTokenName = lastVisualToken.querySelector('.name').innerText;
+      const tokensContainer = document.querySelector('.tokens-container');
+      tokensContainer.removeChild(lastVisualToken);
+
+      const value = tokenValue || tokenName;
+      addVisualTokenElement(previousTokenName, value);
+    }
+  }
+
+  static addSearchVisualToken(searchTerm) {
+    const { lastVisualToken } = FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
+
+    if (lastVisualToken && lastVisualToken.classList.contains('filtered-search-term')) {
+      lastVisualToken.querySelector('.name').innerText += ` ${searchTerm}`;
+    } else {
+      FilteredSearchVisualTokens.addVisualTokenElement(searchTerm, null, true);
+    }
+  }
+
+  static getLastTokenPartial() {
+    const { lastVisualToken } = FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
+
+    if (!lastVisualToken) return '';
+
+    const value = lastVisualToken.querySelector('.value');
+    const name = lastVisualToken.querySelector('.name');
+
+    const valueText = value ? value.innerText : '';
+    const nameText = name ? name.innerText : '';
+
+    return valueText || nameText;
+  }
+
+  static removeLastTokenPartial() {
+    const { lastVisualToken } = FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
+
+    if (lastVisualToken) {
+      const value = lastVisualToken.querySelector('.value');
+
+      if (value) {
+        const button = lastVisualToken.querySelector('.selectable');
+        button.removeChild(value);
+        lastVisualToken.innerHTML = button.innerHTML;
+      } else {
+        lastVisualToken.closest('.tokens-container').removeChild(lastVisualToken);
+      }
+    }
+  }
+
+  static tokenizeInput() {
+    const input = document.querySelector('.filtered-search');
+    const { isLastVisualTokenValid } =
+      gl.FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
+
+    if (input.value) {
+      if (isLastVisualTokenValid) {
+        gl.FilteredSearchVisualTokens.addSearchVisualToken(input.value);
+      } else {
+        FilteredSearchVisualTokens.addValueToPreviousVisualTokenElement(input.value);
+      }
+
+      input.value = '';
+    }
+  }
+
+  static editToken(token) {
+    const input = document.querySelector('.filtered-search');
+
+    FilteredSearchVisualTokens.tokenizeInput();
+
+    // Replace token with input field
+    const tokenContainer = token.parentElement;
+    const inputLi = input.parentElement;
+    tokenContainer.replaceChild(inputLi, token);
+
+    const name = token.querySelector('.name');
+    const value = token.querySelector('.value');
+
+    if (token.classList.contains('filtered-search-token')) {
+      FilteredSearchVisualTokens.addFilterVisualToken(name.innerText);
+      input.value = value.innerText;
+    } else {
+      // token is a search term
+      input.value = name.innerText;
+    }
+
+    // Opens dropdown
+    const inputEvent = new Event('input');
+    input.dispatchEvent(inputEvent);
+
+    // Adds cursor to input
+    input.focus();
+  }
+
+  static moveInputToTheRight() {
+    const input = document.querySelector('.filtered-search');
+    const inputLi = input.parentElement;
+    const tokenContainer = document.querySelector('.tokens-container');
+
+    if (!tokenContainer.lastElementChild.isEqualNode(inputLi)) {
+      FilteredSearchVisualTokens.tokenizeInput();
+
+      const { isLastVisualTokenValid } =
+        gl.FilteredSearchVisualTokens.getLastVisualTokenBeforeInput();
+
+      if (!isLastVisualTokenValid) {
+        const lastPartial = gl.FilteredSearchVisualTokens.getLastTokenPartial();
+        gl.FilteredSearchVisualTokens.removeLastTokenPartial();
+        gl.FilteredSearchVisualTokens.addSearchVisualToken(lastPartial);
+      }
+
+      tokenContainer.removeChild(inputLi);
+      tokenContainer.appendChild(inputLi);
+    }
+  }
+}
+
+window.gl = window.gl || {};
+gl.FilteredSearchVisualTokens = FilteredSearchVisualTokens;

app/assets/stylesheets/framework/filters.scss

@@ -64,6 +64,89 @@
     -webkit-flex-direction: column;
     flex-direction: column;
   }
+
+  .tokens-container {
+    display: -webkit-flex;
+    display: flex;
+    flex: 1;
+    -webkit-flex: 1;
+    padding-left: 30px;
+    position: relative;
+    margin-bottom: 0;
+  }
+
+  .input-token {
+    flex: 1;
+    -webkit-flex: 1;
+  }
+
+  .filtered-search-token + .input-token:not(:last-child) {
+    max-width: 200px;
+  }
+}
+
+.filtered-search-token,
+.filtered-search-term {
+  display: -webkit-flex;
+  display: flex;
+  margin-top: 5px;
+  margin-bottom: 5px;
+
+  .selectable {
+    display: -webkit-flex;
+    display: flex;
+  }
+
+  .name,
+  .value {
+    display: inline-block;
+    padding: 2px 7px;
+  }
+
+  .name {
+    background-color: $filter-name-resting-color;
+    color: $filter-name-text-color;
+    border-radius: 2px 0 0 2px;
+    margin-right: 1px;
+    text-transform: capitalize;
+  }
+
+  .value {
+    background-color: $white-normal;
+    color: $filter-value-text-color;
+    border-radius: 0 2px 2px 0;
+    margin-right: 5px;
+  }
+
+  .selected {
+    .name {
+      background-color: $filter-name-selected-color;
+    }
+
+    .value {
+      background-color: $filter-value-selected-color;
+    }
+  }
+}
+
+.filtered-search-term {
+  .name {
+    background-color: inherit;
+    color: $black;
+    text-transform: none;
+  }
+
+  .selectable {
+    cursor: text;
+  }
+}
+
+.scroll-container {
+  display: -webkit-flex;
+  display: flex;
+  overflow-x: scroll;
+  white-space: nowrap;
+  width: 100%;
 }
 
 .filtered-search-input-container {
@@ -71,6 +154,9 @@
   display: flex;
   position: relative;
   width: 100%;
+  border: 1px solid $border-color;
+  background-color: $white-light;
+  max-width: 87%;
 
   @media (max-width: $screen-xs-min) {
     -webkit-flex: 1 1 100%;
@@ -87,12 +173,22 @@
   }
 
   .form-control {
-    padding-left: 25px;
+    position: relative;
+    min-width: 200px;
+    padding-left: 0;
     padding-right: 25px;
+    border-color: transparent;
 
     &:focus ~ .fa-filter {
       color: $common-gray-dark;
     }
+
+    &:focus,
+    &:hover {
+      outline: none;
+      border-color: transparent;
+      box-shadow: none;
+    }
   }
 
   .fa-filter {
@@ -109,12 +205,13 @@
 
   .clear-search {
     width: 35px;
-    background-color: transparent;
+    background-color: $white-light;
     border: none;
     position: absolute;
     right: 0;
     height: 100%;
     outline: none;
+    z-index: 1;
 
     &:hover .fa-times {
       color: $common-gray-dark;

app/assets/stylesheets/framework/variables.scss

@@ -540,3 +540,12 @@ Pipeline Graph
 $stage-hover-bg: #eaf3fc;
 $stage-hover-border: #d1e7fc;
 $action-icon-color: #d6d6d6;
+
+/*
+Filtered Search
+*/
+$filter-name-resting-color: #f8f8f8;
+$filter-name-text-color: rgba(0, 0, 0, 0.55);
+$filter-value-text-color: rgba(0, 0, 0, 0.85);
+$filter-name-selected-color: #ebebeb;
+$filter-value-selected-color: #d7d7d7;

app/views/shared/issuable/_search_bar.html.haml

@@ -11,6 +11,9 @@
             class: "check_all_issues left"
       .issues-other-filters.filtered-search-container
         .filtered-search-input-container
+          .scroll-container
+            %ul.tokens-container.list-unstyled
+              %li.input-token
                 %input.form-control.filtered-search{ placeholder: 'Search or filter results...', 'data-id' => 'filtered-search', 'data-project-id' => @project.id, 'data-username-params' => @users.to_json(only: [:id, :username]), 'data-base-endpoint' => namespace_project_path(@project.namespace, @project) }
             = icon('filter')
             %button.clear-search.hidden{ type: 'button' }

spec/features/issues/filtered_search/dropdown_assignee_spec.rb

 require 'rails_helper'
 
 describe 'Dropdown assignee', :feature, :js do
+  include FilteredSearchHelpers
+  include WaitForAjax
+
   let!(:project) { create(:empty_project) }
   let!(:user) { create(:user, name: 'administrator', username: 'root') }
   let!(:user_john) { create(:user, name: 'John', username: 'th0mas') }
@@ -133,7 +136,8 @@ describe 'Dropdown assignee', :feature, :js do
       click_assignee(user_jacob.name)
 
       expect(page).to have_css(js_dropdown_assignee, visible: false)
-      expect(filtered_search.value).to eq("assignee:@#{user_jacob.username} ")
+      expect_tokens([{ name: 'assignee', value: "@#{user_jacob.username}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the assignee username when the assignee has been filtered' do
@@ -141,14 +145,16 @@ describe 'Dropdown assignee', :feature, :js do
       click_assignee(user.name)
 
       expect(page).to have_css(js_dropdown_assignee, visible: false)
-      expect(filtered_search.value).to eq("assignee:@#{user.username} ")
+      expect_tokens([{ name: 'assignee', value: "@#{user.username}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'selects `no assignee`' do
       find('#js-dropdown-assignee .filter-dropdown-item', text: 'No Assignee').click
 
       expect(page).to have_css(js_dropdown_assignee, visible: false)
-      expect(filtered_search.value).to eq("assignee:none ")
+      expect_tokens([{ name: 'assignee', value: 'none' }])
+      expect_filtered_search_input_empty
     end
   end
 

spec/features/issues/filtered_search/dropdown_author_spec.rb

 require 'rails_helper'
 
 describe 'Dropdown author', js: true, feature: true do
+  include FilteredSearchHelpers
   include WaitForAjax
 
   let!(:project) { create(:empty_project) }
@@ -121,14 +122,16 @@ describe 'Dropdown author', js: true, feature: true do
       click_author(user_jacob.name)
 
       expect(page).to have_css(js_dropdown_author, visible: false)
-      expect(filtered_search.value).to eq("author:@#{user_jacob.username} ")
+      expect_tokens([{ name: 'author', value: "@#{user_jacob.username}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the author username when the author has been filtered' do
       click_author(user.name)
 
       expect(page).to have_css(js_dropdown_author, visible: false)
-      expect(filtered_search.value).to eq("author:@#{user.username} ")
+      expect_tokens([{ name: 'author', value: "@#{user.username}" }])
+      expect_filtered_search_input_empty
     end
   end
 

spec/features/issues/filtered_search/dropdown_hint_spec.rb

 require 'rails_helper'
 
 describe 'Dropdown hint', js: true, feature: true do
+  include FilteredSearchHelpers
   include WaitForAjax
 
   let!(:project) { create(:empty_project) }
@@ -66,7 +67,8 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-author', visible: true)
-      expect(filtered_search.value).to eq('author:')
+      expect_tokens([{ name: 'author' }])
+      expect_filtered_search_input_empty
     end
 
     it 'opens the assignee dropdown when you click on assignee' do
@@ -74,7 +76,8 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-assignee', visible: true)
-      expect(filtered_search.value).to eq('assignee:')
+      expect_tokens([{ name: 'assignee' }])
+      expect_filtered_search_input_empty
     end
 
     it 'opens the milestone dropdown when you click on milestone' do
@@ -82,7 +85,8 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-milestone', visible: true)
-      expect(filtered_search.value).to eq('milestone:')
+      expect_tokens([{ name: 'milestone' }])
+      expect_filtered_search_input_empty
     end
 
     it 'opens the label dropdown when you click on label' do
@@ -90,7 +94,8 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-label', visible: true)
-      expect(filtered_search.value).to eq('label:')
+      expect_tokens([{ name: 'label' }])
+      expect_filtered_search_input_empty
     end
   end
 
@@ -101,7 +106,8 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-author', visible: true)
-      expect(filtered_search.value).to eq('author:')
+      expect_tokens([{ name: 'author' }])
+      expect_filtered_search_input_empty
     end
 
     it 'opens the assignee dropdown when you click on assignee' do
@@ -110,7 +116,8 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-assignee', visible: true)
-      expect(filtered_search.value).to eq('assignee:')
+      expect_tokens([{ name: 'assignee' }])
+      expect_filtered_search_input_empty
     end
 
     it 'opens the milestone dropdown when you click on milestone' do
@@ -119,7 +126,8 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-milestone', visible: true)
-      expect(filtered_search.value).to eq('milestone:')
+      expect_tokens([{ name: 'milestone' }])
+      expect_filtered_search_input_empty
     end
 
     it 'opens the label dropdown when you click on label' do
@@ -128,7 +136,46 @@ describe 'Dropdown hint', js: true, feature: true do
 
       expect(page).to have_css(js_dropdown_hint, visible: false)
       expect(page).to have_css('#js-dropdown-label', visible: true)
-      expect(filtered_search.value).to eq('label:')
+      expect_tokens([{ name: 'label' }])
+      expect_filtered_search_input_empty
+    end
+  end
+
+  describe 'reselecting from dropdown' do
+    it 'reuses existing author text' do
+      filtered_search.send_keys('author:')
+      filtered_search.send_keys(:backspace)
+      click_hint('author')
+
+      expect_tokens([{ name: 'author' }])
+      expect_filtered_search_input_empty
+    end
+
+    it 'reuses existing assignee text' do
+      filtered_search.send_keys('assignee:')
+      filtered_search.send_keys(:backspace)
+      click_hint('assignee')
+
+      expect_tokens([{ name: 'assignee' }])
+      expect_filtered_search_input_empty
+    end
+
+    it 'reuses existing milestone text' do
+      filtered_search.send_keys('milestone:')
+      filtered_search.send_keys(:backspace)
+      click_hint('milestone')
+
+      expect_tokens([{ name: 'milestone' }])
+      expect_filtered_search_input_empty
+    end
+
+    it 'reuses existing label text' do
+      filtered_search.send_keys('label:')
+      filtered_search.send_keys(:backspace)
+      click_hint('label')
+
+      expect_tokens([{ name: 'label' }])
+      expect_filtered_search_input_empty
     end
   end
 end

spec/features/issues/filtered_search/dropdown_label_spec.rb

@@ -51,7 +51,8 @@ describe 'Dropdown label', js: true, feature: true do
 
       filtered_search.native.send_keys(:down, :down, :enter)
 
-      expect(filtered_search.value).to eq("label:~#{bug_label.title} ")
+      expect_tokens([{ name: 'label', value: "~#{bug_label.title}" }])
+      expect_filtered_search_input_empty
     end
   end
 
@@ -92,7 +93,7 @@ describe 'Dropdown label', js: true, feature: true do
     end
 
     it 'filters by case-insensitive name with or without symbol' do
-      search_for_label('b')
+      filtered_search.send_keys('b')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: bug_label.title)).to be_visible
       expect(filter_dropdown.find('.filter-dropdown-item', text: uppercase_label.title)).to be_visible
@@ -101,7 +102,7 @@ describe 'Dropdown label', js: true, feature: true do
       clear_search_field
       init_label_search
 
-      search_for_label('~bu')
+      filtered_search.send_keys('~bu')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: bug_label.title)).to be_visible
       expect(filter_dropdown.find('.filter-dropdown-item', text: uppercase_label.title)).to be_visible
@@ -180,7 +181,8 @@ describe 'Dropdown label', js: true, feature: true do
       click_label(bug_label.title)
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:~#{bug_label.title} ")
+      expect_tokens([{ name: 'label', value: "~#{bug_label.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the label name when the label is partially filled' do
@@ -188,49 +190,56 @@ describe 'Dropdown label', js: true, feature: true do
       click_label(bug_label.title)
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:~#{bug_label.title} ")
+      expect_tokens([{ name: 'label', value: "~#{bug_label.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the label name that contains multiple words' do
       click_label(two_words_label.title)
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:~\"#{two_words_label.title}\" ")
+      expect_tokens([{ name: 'label', value: "\"#{two_words_label.title}\"" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the label name that contains multiple words and is very long' do
       click_label(long_label.title)
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:~\"#{long_label.title}\" ")
+      expect_tokens([{ name: 'label', value: "\"#{long_label.title}\"" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the label name that contains double quotes' do
       click_label(wont_fix_label.title)
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:~'#{wont_fix_label.title}' ")
+      expect_tokens([{ name: 'label', value: "~'#{wont_fix_label.title}'" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the label name with the correct capitalization' do
       click_label(uppercase_label.title)
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:~#{uppercase_label.title} ")
+      expect_tokens([{ name: 'label', value: "~#{uppercase_label.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the label name with special characters' do
       click_label(special_label.title)
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:~#{special_label.title} ")
+      expect_tokens([{ name: 'label', value: "~#{special_label.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'selects `no label`' do
       find("#{js_dropdown_label} .filter-dropdown-item", text: 'No Label').click
 
       expect(page).not_to have_css(js_dropdown_label)
-      expect(filtered_search.value).to eq("label:none ")
+      expect_tokens([{ name: 'label', value: 'none' }])
+      expect_filtered_search_input_empty
     end
   end
 

spec/features/issues/filtered_search/dropdown_milestone_spec.rb

 require 'rails_helper'
 
 describe 'Dropdown milestone', js: true, feature: true do
+  include FilteredSearchHelpers
   include WaitForAjax
 
   let!(:project) { create(:empty_project) }
@@ -127,7 +128,8 @@ describe 'Dropdown milestone', js: true, feature: true do
       click_milestone(milestone.title)
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:%#{milestone.title} ")
+      expect_tokens([{ name: 'milestone', value: "%#{milestone.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the milestone name when the milestone is partially filled' do
@@ -135,56 +137,64 @@ describe 'Dropdown milestone', js: true, feature: true do
       click_milestone(milestone.title)
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:%#{milestone.title} ")
+      expect_tokens([{ name: 'milestone', value: "%#{milestone.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the milestone name that contains multiple words' do
       click_milestone(two_words_milestone.title)
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:%\"#{two_words_milestone.title}\" ")
+      expect_tokens([{ name: 'milestone', value: "%\"#{two_words_milestone.title}\"" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the milestone name that contains multiple words and is very long' do
       click_milestone(long_milestone.title)
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:%\"#{long_milestone.title}\" ")
+      expect_tokens([{ name: 'milestone', value: "%\"#{long_milestone.title}\"" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the milestone name that contains double quotes' do
       click_milestone(wont_fix_milestone.title)
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:%'#{wont_fix_milestone.title}' ")
+      expect_tokens([{ name: 'milestone', value: "%'#{wont_fix_milestone.title}'" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the milestone name with the correct capitalization' do
       click_milestone(uppercase_milestone.title)
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:%#{uppercase_milestone.title} ")
+      expect_tokens([{ name: 'milestone', value: "%#{uppercase_milestone.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'fills in the milestone name with special characters' do
       click_milestone(special_milestone.title)
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:%#{special_milestone.title} ")
+      expect_tokens([{ name: 'milestone', value: "%#{special_milestone.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'selects `no milestone`' do
       click_static_milestone('No Milestone')
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:none ")
+      expect_tokens([{ name: 'milestone', value: 'none' }])
+      expect_filtered_search_input_empty
     end
 
     it 'selects `upcoming milestone`' do
       click_static_milestone('Upcoming')
 
       expect(page).to have_css(js_dropdown_milestone, visible: false)
-      expect(filtered_search.value).to eq("milestone:upcoming ")
+      expect_tokens([{ name: 'milestone', value: 'upcoming' }])
+      expect_filtered_search_input_empty
     end
   end
 

spec/features/issues/filtered_search/search_bar_spec.rb

 require 'rails_helper'
 
 describe 'Search bar', js: true, feature: true do
+  include FilteredSearchHelpers
   include WaitForAjax
 
   let!(:project) { create(:empty_project) }
@@ -32,7 +33,8 @@ describe 'Search bar', js: true, feature: true do
     it 'selects item' do
       filtered_search.native.send_keys(:down, :down, :enter)
 
-      expect(filtered_search.value).to eq('author:')
+      expect_tokens([{ name: 'author' }])
+      expect_filtered_search_input_empty
     end
   end
 

spec/features/merge_requests/filter_by_labels_spec.rb

@@ -70,7 +70,7 @@ feature 'Issue filtering by Labels', feature: true, js: true do
 
   context 'filter by label enhancement and bug in issues list' do
     before do
-      input_filtered_search('label:~bug label:~enhancement')
+      input_filtered_search('label:~bug label:~enhancement ')
     end
 
     it 'applies the filters' do

spec/features/merge_requests/filter_by_milestone_spec.rb

@@ -25,6 +25,9 @@ feature 'Merge Request filtering by Milestone', feature: true do
     visit_merge_requests(project)
     input_filtered_search('milestone:none')
 
+    expect_tokens([{ name: 'milestone', value: 'none' }])
+    expect_filtered_search_input_empty
+
     expect(page).to have_issuable_counts(open: 1, closed: 0, all: 1)
     expect(page).to have_css('.merge-request', count: 1)
   end

spec/features/merge_requests/filter_merge_requests_spec.rb

@@ -24,6 +24,11 @@ describe 'Filter merge requests', feature: true do
   describe 'for assignee from mr#index' do
     let(:search_query) { "assignee:@#{user.username}" }
 
+    def expect_assignee_visual_tokens
+      expect_tokens([{ name: 'assignee', value: "@#{user.username}" }])
+      expect_filtered_search_input_empty
+    end
+
     before do
       input_filtered_search(search_query)
 
@@ -32,25 +37,30 @@ describe 'Filter merge requests', feature: true do
 
     context 'assignee', js: true do
       it 'updates to current user' do
-        expect_filtered_search_input(search_query)
+        expect_assignee_visual_tokens()
       end
 
       it 'does not change when closed link is clicked' do
         find('.issues-state-filters a', text: "Closed").click
 
-        expect_filtered_search_input(search_query)
+        expect_assignee_visual_tokens()
       end
 
       it 'does not change when all link is clicked' do
         find('.issues-state-filters a', text: "All").click
 
-        expect_filtered_search_input(search_query)
+        expect_assignee_visual_tokens()
       end
     end
   end
 
   describe 'for milestone from mr#index' do
-    let(:search_query) { "milestone:%#{milestone.title}" }
+    let(:search_query) { "milestone:%\"#{milestone.title}\"" }
+
+    def expect_milestone_visual_tokens
+      expect_tokens([{ name: 'milestone', value: "%\"#{milestone.title}\"" }])
+      expect_filtered_search_input_empty
+    end
 
     before do
       input_filtered_search(search_query)
@@ -60,19 +70,19 @@ describe 'Filter merge requests', feature: true do
 
     context 'milestone', js: true do
       it 'updates to current milestone' do
-        expect_filtered_search_input(search_query)
+        expect_milestone_visual_tokens()
       end
 
       it 'does not change when closed link is clicked' do
         find('.issues-state-filters a', text: "Closed").click
 
-        expect_filtered_search_input(search_query)
+        expect_milestone_visual_tokens()
       end
 
       it 'does not change when all link is clicked' do
         find('.issues-state-filters a', text: "All").click
 
-        expect_filtered_search_input(search_query)
+        expect_milestone_visual_tokens()
       end
     end
   end
@@ -82,35 +92,44 @@ describe 'Filter merge requests', feature: true do
       input_filtered_search('label:none')
 
       expect_mr_list_count(1)
-      expect_filtered_search_input('label:none')
+      expect_tokens([{ name: 'label', value: 'none' }])
+      expect_filtered_search_input_empty
     end
 
     it 'filters by a label' do
       input_filtered_search("label:~#{label.title}")
 
       expect_mr_list_count(0)
-      expect_filtered_search_input("label:~#{label.title}")
+      expect_tokens([{ name: 'label', value: "~#{label.title}" }])
+      expect_filtered_search_input_empty
     end
 
     it "filters by `won't fix` and another label" do
       input_filtered_search("label:~\"#{wontfix.title}\" label:~#{label.title}")
 
       expect_mr_list_count(0)
-      expect_filtered_search_input("label:~\"#{wontfix.title}\" label:~#{label.title}")
+      expect_tokens([
+        { name: 'label', value: "~\"#{wontfix.title}\"" },
+        { name: 'label', value: "~#{label.title}" }
+      ])
+      expect_filtered_search_input_empty
     end
 
     it "filters by `won't fix` label followed by another label after page load" do
       input_filtered_search("label:~\"#{wontfix.title}\"")
 
       expect_mr_list_count(0)
-      expect_filtered_search_input("label:~\"#{wontfix.title}\"")
-
-      input_filtered_search_keys(" label:~#{label.title}")
+      expect_tokens([{ name: 'label', value: "~\"#{wontfix.title}\"" }])
+      expect_filtered_search_input_empty
 
-      expect_filtered_search_input("label:~\"#{wontfix.title}\" label:~#{label.title}")
+      input_filtered_search_keys("label:~#{label.title}")
 
       expect_mr_list_count(0)
-      expect_filtered_search_input("label:~\"#{wontfix.title}\" label:~#{label.title}")
+      expect_tokens([
+        { name: 'label', value: "~\"#{wontfix.title}\"" },
+        { name: 'label', value: "~#{label.title}" }
+      ])
+      expect_filtered_search_input_empty
     end
   end
 
@@ -121,9 +140,10 @@ describe 'Filter merge requests', feature: true do
       input_filtered_search("assignee:@#{user.username}")
 
       expect_mr_list_count(1)
-      expect_filtered_search_input("assignee:@#{user.username}")
+      expect_tokens([{ name: 'assignee', value: "@#{user.username}" }])
+      expect_filtered_search_input_empty
 
-      input_filtered_search_keys(" label:~#{label.title}")
+      input_filtered_search_keys("label:~#{label.title} ")
 
       expect_mr_list_count(1)
 
@@ -131,20 +151,28 @@ describe 'Filter merge requests', feature: true do
     end
 
     context 'assignee and label', js: true do
+      def expect_assignee_label_visual_tokens
+        expect_tokens([
+          { name: 'assignee', value: "@#{user.username}" },
+          { name: 'label', value: "~#{label.title}" }
+        ])
+        expect_filtered_search_input_empty
+      end
+
       it 'updates to current assignee and label' do
-        expect_filtered_search_input(search_query)
+        expect_assignee_label_visual_tokens()
       end
 
       it 'does not change when closed link is clicked' do
         find('.issues-state-filters a', text: "Closed").click
 
-        expect_filtered_search_input(search_query)
+        expect_assignee_label_visual_tokens()
       end
 
       it 'does not change when all link is clicked' do
         find('.issues-state-filters a', text: "All").click
 
-        expect_filtered_search_input(search_query)
+        expect_assignee_label_visual_tokens()
       end
     end
   end
@@ -195,6 +223,8 @@ describe 'Filter merge requests', feature: true do
         input_filtered_search_keys(' label:~bug')
 
         expect_mr_list_count(1)
+        expect_tokens([{ name: 'label', value: '~bug' }])
+        expect_filtered_search_input('Bug')
       end
 
       it 'filters by text and milestone' do
@@ -206,6 +236,8 @@ describe 'Filter merge requests', feature: true do
         input_filtered_search_keys(' milestone:%8')
 
         expect_mr_list_count(1)
+        expect_tokens([{ name: 'milestone', value: '%8' }])
+        expect_filtered_search_input('Bug')
       end
 
       it 'filters by text and assignee' do
@@ -217,6 +249,8 @@ describe 'Filter merge requests', feature: true do
         input_filtered_search_keys(" assignee:@#{user.username}")
 
         expect_mr_list_count(1)
+        expect_tokens([{ name: 'assignee', value: "@#{user.username}" }])
+        expect_filtered_search_input('Bug')
       end
 
       it 'filters by text and author' do
@@ -228,6 +262,8 @@ describe 'Filter merge requests', feature: true do
         input_filtered_search_keys(" author:@#{user.username}")
 
         expect_mr_list_count(1)
+        expect_tokens([{ name: 'author', value: "@#{user.username}" }])
+        expect_filtered_search_input('Bug')
       end
     end
   end
@@ -266,7 +302,8 @@ describe 'Filter merge requests', feature: true do
     it 'filter by current user' do
       visit namespace_project_merge_requests_path(project.namespace, project, assignee_id: user.id)
 
-      expect_filtered_search_input("assignee:@#{user.username}")
+      expect_tokens([{ name: 'assignee', value: "@#{user.username}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'filter by new user' do
@@ -275,7 +312,8 @@ describe 'Filter merge requests', feature: true do
 
       visit namespace_project_merge_requests_path(project.namespace, project, assignee_id: new_user.id)
 
-      expect_filtered_search_input("assignee:@#{new_user.username}")
+      expect_tokens([{ name: 'assignee', value: "@#{new_user.username}" }])
+      expect_filtered_search_input_empty
     end
   end
 
@@ -283,7 +321,8 @@ describe 'Filter merge requests', feature: true do
     it 'filter by current user' do
       visit namespace_project_merge_requests_path(project.namespace, project, author_id: user.id)
 
-      expect_filtered_search_input("author:@#{user.username}")
+      expect_tokens([{ name: 'author', value: "@#{user.username}" }])
+      expect_filtered_search_input_empty
     end
 
     it 'filter by new user' do
@@ -292,7 +331,8 @@ describe 'Filter merge requests', feature: true do
 
       visit namespace_project_merge_requests_path(project.namespace, project, author_id: new_user.id)
 
-      expect_filtered_search_input("author:@#{new_user.username}")
+      expect_tokens([{ name: 'author', value: "@#{new_user.username}" }])
+      expect_filtered_search_input_empty
     end
   end
 end

spec/features/merge_requests/reset_filters_spec.rb

 require 'rails_helper'
 
-feature 'Issues filter reset button', feature: true, js: true do
+feature 'Merge requests filter clear button', feature: true, js: true do
   include FilteredSearchHelpers
   include MergeRequestHelpers
   include WaitForAjax
@@ -24,67 +24,93 @@ feature 'Issues filter reset button', feature: true, js: true do
   context 'when a milestone filter has been applied' do
     it 'resets the milestone filter' do
       visit_merge_requests(project, milestone_title: milestone.title)
+
       expect(page).to have_css(merge_request_css, count: 1)
+      expect(get_filtered_search_placeholder).to eq('')
 
       reset_filters
+
       expect(page).to have_css(merge_request_css, count: 2)
+      expect(get_filtered_search_placeholder).to eq(default_placeholder)
     end
   end
 
   context 'when a label filter has been applied' do
     it 'resets the label filter' do
       visit_merge_requests(project, label_name: bug.name)
+
       expect(page).to have_css(merge_request_css, count: 1)
+      expect(get_filtered_search_placeholder).to eq('')
 
       reset_filters
+
       expect(page).to have_css(merge_request_css, count: 2)
+      expect(get_filtered_search_placeholder).to eq(default_placeholder)
     end
   end
 
   context 'when a text search has been conducted' do
     it 'resets the text search filter' do
       visit_merge_requests(project, search: 'Bug')
+
       expect(page).to have_css(merge_request_css, count: 1)
+      expect(get_filtered_search_placeholder).to eq('')
 
       reset_filters
+
       expect(page).to have_css(merge_request_css, count: 2)
+      expect(get_filtered_search_placeholder).to eq(default_placeholder)
     end
   end
 
   context 'when author filter has been applied' do
     it 'resets the author filter' do
       visit_merge_requests(project, author_username: user.username)
+
       expect(page).to have_css(merge_request_css, count: 1)
+      expect(get_filtered_search_placeholder).to eq('')
 
       reset_filters
+
       expect(page).to have_css(merge_request_css, count: 2)
+      expect(get_filtered_search_placeholder).to eq(default_placeholder)
     end
   end
 
   context 'when assignee filter has been applied' do
     it 'resets the assignee filter' do
       visit_merge_requests(project, assignee_username: user.username)
+
       expect(page).to have_css(merge_request_css, count: 1)
+      expect(get_filtered_search_placeholder).to eq('')
 
       reset_filters
+
       expect(page).to have_css(merge_request_css, count: 2)
+      expect(get_filtered_search_placeholder).to eq(default_placeholder)
     end
   end
 
   context 'when all filters have been applied' do
-    it 'resets all filters' do
+    it 'clears all filters' do
       visit_merge_requests(project, assignee_username: user.username, author_username: user.username, milestone_title: milestone.title, label_name: bug.name, search: 'Bug')
+
       expect(page).to have_css(merge_request_css, count: 0)
+      expect(get_filtered_search_placeholder).to eq('')
 
       reset_filters
+
       expect(page).to have_css(merge_request_css, count: 2)
+      expect(get_filtered_search_placeholder).to eq(default_placeholder)
     end
   end
 
   context 'when no filters have been applied' do
-    it 'the reset link should not be visible' do
+    it 'the clear button should not be visible' do
       visit_merge_requests(project)
+
       expect(page).to have_css(merge_request_css, count: 2)
+      expect(get_filtered_search_placeholder).to eq(default_placeholder)
       expect(page).not_to have_css(clear_search_css)
     end
   end

spec/features/search_spec.rb

 require 'spec_helper'
 
 describe "Search", feature: true  do
+  include FilteredSearchHelpers
   include WaitForAjax
 
   let(:user) { create(:user) }
@@ -170,7 +171,8 @@ describe "Search", feature: true  do
           sleep 2
 
           expect(page).to have_selector('.filtered-search')
-          expect(find('.filtered-search').value).to eq("assignee:@#{user.username}")
+          expect_tokens([{ name: 'assignee', value: "@#{user.username}" }])
+          expect_filtered_search_input_empty
         end
 
         it 'takes user to her issues page when issues authored is clicked' do
@@ -178,7 +180,8 @@ describe "Search", feature: true  do
           sleep 2
 
           expect(page).to have_selector('.filtered-search')
-          expect(find('.filtered-search').value).to eq("author:@#{user.username}")
+          expect_tokens([{ name: 'author', value: "@#{user.username}" }])
+          expect_filtered_search_input_empty
         end
 
         it 'takes user to her MR page when MR assigned is clicked' do
@@ -186,7 +189,8 @@ describe "Search", feature: true  do
           sleep 2
 
           expect(page).to have_selector('.merge-requests-holder')
-          expect(find('.filtered-search').value).to eq("assignee:@#{user.username}")
+          expect_tokens([{ name: 'assignee', value: "@#{user.username}" }])
+          expect_filtered_search_input_empty
         end
 
         it 'takes user to her MR page when MR authored is clicked' do
@@ -194,7 +198,8 @@ describe "Search", feature: true  do
           sleep 2
 
           expect(page).to have_selector('.merge-requests-holder')
-          expect(find('.filtered-search').value).to eq("author:@#{user.username}")
+          expect_tokens([{ name: 'author', value: "@#{user.username}" }])
+          expect_filtered_search_input_empty
         end
       end
 

spec/javascripts/filtered_search/dropdown_user_spec.js

@@ -18,9 +18,7 @@ require('~/filtered_search/dropdown_user');
 
       it('should not return the double quote found in value', () => {
         spyOn(gl.FilteredSearchTokenizer, 'processTokens').and.returnValue({
-          lastToken: {
-            value: '"johnny appleseed',
-          },
+          lastToken: '"johnny appleseed',
         });
 
         expect(dropdownUser.getSearchInput()).toBe('johnny appleseed');
@@ -28,9 +26,7 @@ require('~/filtered_search/dropdown_user');
 
       it('should not return the single quote found in value', () => {
         spyOn(gl.FilteredSearchTokenizer, 'processTokens').and.returnValue({
-          lastToken: {
-            value: '\'larry boy',
-          },
+          lastToken: '\'larry boy',
         });
 
         expect(dropdownUser.getSearchInput()).toBe('larry boy');

spec/javascripts/filtered_search/dropdown_utils_spec.js

@@ -45,7 +45,7 @@ require('~/filtered_search/filtered_search_dropdown_manager');
       });
 
       it('should filter without symbol', () => {
-        input.value = ':roo';
+        input.value = 'roo';
 
         const updatedItem = gl.DropdownUtils.filterWithSymbol('@', input, item);
         expect(updatedItem.droplab_hidden).toBe(false);
@@ -58,69 +58,62 @@ require('~/filtered_search/filtered_search_dropdown_manager');
         expect(updatedItem.droplab_hidden).toBe(false);
       });
 
-      it('should filter with colon', () => {
-        input.value = 'roo';
-
-        const updatedItem = gl.DropdownUtils.filterWithSymbol('@', input, item);
-        expect(updatedItem.droplab_hidden).toBe(false);
-      });
-
       describe('filters multiple word title', () => {
         const multipleWordItem = {
           title: 'Community Contributions',
         };
 
         it('should filter with double quote', () => {
-          input.value = 'label:"';
+          input.value = '"';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);
         });
 
         it('should filter with double quote and symbol', () => {
-          input.value = 'label:~"';
+          input.value = '~"';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);
         });
 
         it('should filter with double quote and multiple words', () => {
-          input.value = 'label:"community con';
+          input.value = '"community con';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);
         });
 
         it('should filter with double quote, symbol and multiple words', () => {
-          input.value = 'label:~"community con';
+          input.value = '~"community con';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);
         });
 
         it('should filter with single quote', () => {
-          input.value = 'label:\'';
+          input.value = '\'';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);
         });
 
         it('should filter with single quote and symbol', () => {
-          input.value = 'label:~\'';
+          input.value = '~\'';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);
         });
 
         it('should filter with single quote and multiple words', () => {
-          input.value = 'label:\'community con';
+          input.value = '\'community con';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);
         });
 
         it('should filter with single quote, symbol and multiple words', () => {
-          input.value = 'label:~\'community con';
+          input.value = '~\'community con';
 
           const updatedItem = gl.DropdownUtils.filterWithSymbol('~', input, multipleWordItem);
           expect(updatedItem.droplab_hidden).toBe(false);

spec/javascripts/filtered_search/filtered_search_dropdown_manager_spec.js

 require('~/extensions/array');
+require('~/filtered_search/filtered_search_visual_tokens');
 require('~/filtered_search/filtered_search_tokenizer');
 require('~/filtered_search/filtered_search_dropdown_manager');
 
@@ -14,24 +15,44 @@ require('~/filtered_search/filtered_search_dropdown_manager');
       }
 
       beforeEach(() => {
-        const input = document.createElement('input');
-        input.classList.add('filtered-search');
-        document.body.appendChild(input);
-      });
-
-      afterEach(() => {
-        document.querySelector('.filtered-search').outerHTML = '';
+        setFixtures(`
+          <ul class="tokens-container">
+            <li class="input-token">
+              <input class="filtered-search">
+            </li>
+          </ul>
+        `);
       });
 
       describe('input has no existing value', () => {
         it('should add just tokenName', () => {
           gl.FilteredSearchDropdownManager.addWordToInput('milestone');
-          expect(getInputValue()).toBe('milestone:');
+
+          const token = document.querySelector('.tokens-container .js-visual-token');
+
+          expect(token.classList.contains('filtered-search-token')).toEqual(true);
+          expect(token.querySelector('.name').innerText).toBe('milestone');
+          expect(getInputValue()).toBe('');
         });
 
         it('should add tokenName and tokenValue', () => {
+          gl.FilteredSearchDropdownManager.addWordToInput('label');
+
+          let token = document.querySelector('.tokens-container .js-visual-token');
+
+          expect(token.classList.contains('filtered-search-token')).toEqual(true);
+          expect(token.querySelector('.name').innerText).toBe('label');
+          expect(getInputValue()).toBe('');
+
           gl.FilteredSearchDropdownManager.addWordToInput('label', 'none');
-          expect(getInputValue()).toBe('label:none ');
+          // We have to get that reference again
+          // Because gl.FilteredSearchDropdownManager deletes the previous token
+          token = document.querySelector('.tokens-container .js-visual-token');
+
+          expect(token.classList.contains('filtered-search-token')).toEqual(true);
+          expect(token.querySelector('.name').innerText).toBe('label');
+          expect(token.querySelector('.value').innerText).toBe('none');
+          expect(getInputValue()).toBe('');
         });
       });
 
@@ -39,19 +60,40 @@ require('~/filtered_search/filtered_search_dropdown_manager');
         it('should be able to just add tokenName', () => {
           setInputValue('a');
           gl.FilteredSearchDropdownManager.addWordToInput('author');
-          expect(getInputValue()).toBe('author:');
+
+          const token = document.querySelector('.tokens-container .js-visual-token');
+
+          expect(token.classList.contains('filtered-search-token')).toEqual(true);
+          expect(token.querySelector('.name').innerText).toBe('author');
+          expect(getInputValue()).toBe('');
         });
 
         it('should replace tokenValue', () => {
-          setInputValue('author:roo');
-          gl.FilteredSearchDropdownManager.addWordToInput('author', '@root');
-          expect(getInputValue()).toBe('author:@root ');
+          gl.FilteredSearchDropdownManager.addWordToInput('author');
+
+          setInputValue('roo');
+          gl.FilteredSearchDropdownManager.addWordToInput(null, '@root');
+
+          const token = document.querySelector('.tokens-container .js-visual-token');
+
+          expect(token.classList.contains('filtered-search-token')).toEqual(true);
+          expect(token.querySelector('.name').innerText).toBe('author');
+          expect(token.querySelector('.value').innerText).toBe('@root');
+          expect(getInputValue()).toBe('');
         });
 
         it('should add tokenValues containing spaces', () => {
-          setInputValue('label:~"test');
+          gl.FilteredSearchDropdownManager.addWordToInput('label');
+
+          setInputValue('"test ');
           gl.FilteredSearchDropdownManager.addWordToInput('label', '~\'"test me"\'');
-          expect(getInputValue()).toBe('label:~\'"test me"\' ');
+
+          const token = document.querySelector('.tokens-container .js-visual-token');
+
+          expect(token.classList.contains('filtered-search-token')).toEqual(true);
+          expect(token.querySelector('.name').innerText).toBe('label');
+          expect(token.querySelector('.value').innerText).toBe('~\'"test me"\'');
+          expect(getInputValue()).toBe('');
         });
       });
     });

spec/javascripts/filtered_search/filtered_search_manager_spec.js

@@ -4,64 +4,244 @@ require('~/filtered_search/filtered_search_token_keys');
 require('~/filtered_search/filtered_search_tokenizer');
 require('~/filtered_search/filtered_search_dropdown_manager');
 require('~/filtered_search/filtered_search_manager');
+const FilteredSearchSpecHelper = require('../helpers/filtered_search_spec_helper');
 
 (() => {
   describe('Filtered Search Manager', () => {
-    describe('search', () => {
+    let input;
     let manager;
-      const defaultParams = '?scope=all&utf8=✓&state=opened';
+    let tokensContainer;
+    const placeholder = 'Search or filter results...';
 
-      function getInput() {
-        return document.querySelector('.filtered-search');
+    function dispatchBackspaceEvent(element, eventType) {
+      const backspaceKey = 8;
+      const event = new Event(eventType);
+      event.keyCode = backspaceKey;
+      element.dispatchEvent(event);
+    }
+
+    function dispatchDeleteEvent(element, eventType) {
+      const deleteKey = 46;
+      const event = new Event(eventType);
+      event.keyCode = deleteKey;
+      element.dispatchEvent(event);
     }
 
     beforeEach(() => {
       setFixtures(`
-          <input type='text' class='filtered-search' />
+        <div class="filtered-search-input-container">
+          <form>
+            <ul class="tokens-container list-unstyled">
+              ${FilteredSearchSpecHelper.createInputHTML(placeholder)}
+            </ul>
+            <button class="clear-search" type="button">
+              <i class="fa fa-times"></i>
+            </button>
+          </form>
+        </div>
       `);
 
-        spyOn(gl.FilteredSearchManager.prototype, 'bindEvents').and.callFake(() => {});
       spyOn(gl.FilteredSearchManager.prototype, 'cleanup').and.callFake(() => {});
       spyOn(gl.FilteredSearchManager.prototype, 'loadSearchParamsFromURL').and.callFake(() => {});
+      spyOn(gl.FilteredSearchManager.prototype, 'tokenChange').and.callFake(() => {});
       spyOn(gl.FilteredSearchDropdownManager.prototype, 'setDropdown').and.callFake(() => {});
+      spyOn(gl.FilteredSearchDropdownManager.prototype, 'updateDropdownOffset').and.callFake(() => {});
       spyOn(gl.utils, 'getParameterByName').and.returnValue(null);
+      spyOn(gl.FilteredSearchVisualTokens, 'unselectTokens').and.callThrough();
 
+      input = document.querySelector('.filtered-search');
+      tokensContainer = document.querySelector('.tokens-container');
       manager = new gl.FilteredSearchManager();
     });
 
-      afterEach(() => {
-        getInput().outerHTML = '';
-      });
+    describe('search', () => {
+      const defaultParams = '?scope=all&utf8=✓&state=opened';
 
-      it('should search with a single word', () => {
-        getInput().value = 'searchTerm';
+      it('should search with a single word', (done) => {
+        input.value = 'searchTerm';
 
         spyOn(gl.utils, 'visitUrl').and.callFake((url) => {
           expect(url).toEqual(`${defaultParams}&search=searchTerm`);
+          done();
         });
 
         manager.search();
       });
 
-      it('should search with multiple words', () => {
-        getInput().value = 'awesome search terms';
+      it('should search with multiple words', (done) => {
+        input.value = 'awesome search terms';
 
         spyOn(gl.utils, 'visitUrl').and.callFake((url) => {
           expect(url).toEqual(`${defaultParams}&search=awesome+search+terms`);
+          done();
         });
 
         manager.search();
       });
 
-      it('should search with special characters', () => {
-        getInput().value = '~!@#$%^&*()_+{}:<>,.?/';
+      it('should search with special characters', (done) => {
+        input.value = '~!@#$%^&*()_+{}:<>,.?/';
 
         spyOn(gl.utils, 'visitUrl').and.callFake((url) => {
           expect(url).toEqual(`${defaultParams}&search=~!%40%23%24%25%5E%26*()_%2B%7B%7D%3A%3C%3E%2C.%3F%2F`);
+          done();
         });
 
         manager.search();
       });
     });
+
+    describe('handleInputPlaceholder', () => {
+      it('should render placeholder when there is no input', () => {
+        expect(input.placeholder).toEqual(placeholder);
+      });
+
+      it('should not render placeholder when there is input', () => {
+        input.value = 'test words';
+
+        const event = new Event('input');
+        input.dispatchEvent(event);
+
+        expect(input.placeholder).toEqual('');
+      });
+
+      it('should not render placeholder when there are tokens and no input', () => {
+        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
+          FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '~bug'),
+        );
+
+        const event = new Event('input');
+        input.dispatchEvent(event);
+
+        expect(input.placeholder).toEqual('');
+      });
+    });
+
+    describe('checkForBackspace', () => {
+      describe('tokens and no input', () => {
+        beforeEach(() => {
+          tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
+            FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '~bug'),
+          );
+        });
+
+        it('removes last token', () => {
+          spyOn(gl.FilteredSearchVisualTokens, 'removeLastTokenPartial').and.callThrough();
+          dispatchBackspaceEvent(input, 'keyup');
+
+          expect(gl.FilteredSearchVisualTokens.removeLastTokenPartial).toHaveBeenCalled();
+        });
+
+        it('sets the input', () => {
+          spyOn(gl.FilteredSearchVisualTokens, 'getLastTokenPartial').and.callThrough();
+          dispatchDeleteEvent(input, 'keyup');
+
+          expect(gl.FilteredSearchVisualTokens.getLastTokenPartial).toHaveBeenCalled();
+          expect(input.value).toEqual('~bug');
+        });
+      });
+
+      it('does not remove token or change input when there is existing input', () => {
+        spyOn(gl.FilteredSearchVisualTokens, 'removeLastTokenPartial').and.callThrough();
+        spyOn(gl.FilteredSearchVisualTokens, 'getLastTokenPartial').and.callThrough();
+
+        input.value = 'text';
+        dispatchDeleteEvent(input, 'keyup');
+
+        expect(gl.FilteredSearchVisualTokens.removeLastTokenPartial).not.toHaveBeenCalled();
+        expect(gl.FilteredSearchVisualTokens.getLastTokenPartial).not.toHaveBeenCalled();
+        expect(input.value).toEqual('text');
+      });
+    });
+
+    describe('removeSelectedToken', () => {
+      function getVisualTokens() {
+        return tokensContainer.querySelectorAll('.js-visual-token');
+      }
+
+      beforeEach(() => {
+        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(
+          FilteredSearchSpecHelper.createFilterVisualTokenHTML('milestone', 'none', true),
+        );
+      });
+
+      it('removes selected token when the backspace key is pressed', () => {
+        expect(getVisualTokens().length).toEqual(1);
+
+        dispatchBackspaceEvent(document, 'keydown');
+
+        expect(getVisualTokens().length).toEqual(0);
+      });
+
+      it('removes selected token when the delete key is pressed', () => {
+        expect(getVisualTokens().length).toEqual(1);
+
+        dispatchDeleteEvent(document, 'keydown');
+
+        expect(getVisualTokens().length).toEqual(0);
+      });
+
+      it('updates the input placeholder after removal', () => {
+        manager.handleInputPlaceholder();
+
+        expect(input.placeholder).toEqual('');
+        expect(getVisualTokens().length).toEqual(1);
+
+        dispatchBackspaceEvent(document, 'keydown');
+
+        expect(input.placeholder).not.toEqual('');
+        expect(getVisualTokens().length).toEqual(0);
+      });
+
+      it('updates the clear button after removal', () => {
+        manager.toggleClearSearchButton();
+
+        const clearButton = document.querySelector('.clear-search');
+
+        expect(clearButton.classList.contains('hidden')).toEqual(false);
+        expect(getVisualTokens().length).toEqual(1);
+
+        dispatchBackspaceEvent(document, 'keydown');
+
+        expect(clearButton.classList.contains('hidden')).toEqual(true);
+        expect(getVisualTokens().length).toEqual(0);
+      });
+    });
+
+    describe('unselects token', () => {
+      beforeEach(() => {
+        tokensContainer.innerHTML = FilteredSearchSpecHelper.createTokensContainerHTML(`
+          ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '~bug', true)}
+          ${FilteredSearchSpecHelper.createSearchVisualTokenHTML('search term')}
+          ${FilteredSearchSpecHelper.createFilterVisualTokenHTML('label', '~awesome')}
+        `);
+      });
+
+      it('unselects token when input is clicked', () => {
+        const selectedToken = tokensContainer.querySelector('.js-visual-token .selected');
+
+        expect(selectedToken.classList.contains('selected')).toEqual(true);
+        expect(gl.FilteredSearchVisualTokens.unselectTokens).not.toHaveBeenCalled();
+
+        // Click directly on input attached to document
+        // so that the click event will propagate properly
+        document.querySelector('.filtered-search').click();
+
+        expect(gl.FilteredSearchVisualTokens.unselectTokens).toHaveBeenCalled();
+        expect(selectedToken.classList.contains('selected')).toEqual(false);
+      });
+
+      it('unselects token when document.body is clicked', () => {
+        const selectedToken = tokensContainer.querySelector('.js-visual-token .selected');
+
+        expect(selectedToken.classList.contains('selected')).toEqual(true);
+        expect(gl.FilteredSearchVisualTokens.unselectTokens).not.toHaveBeenCalled();
+
+        document.body.click();
+
+        expect(selectedToken.classList.contains('selected')).toEqual(false);
+        expect(gl.FilteredSearchVisualTokens.unselectTokens).toHaveBeenCalled();
+      });
+    });
   });
 })();

spec/javascripts/helpers/filtered_search_spec_helper.js

+class FilteredSearchSpecHelper {
+  static createFilterVisualTokenHTML(name, value, isSelected) {
+    return FilteredSearchSpecHelper.createFilterVisualToken(name, value, isSelected).outerHTML;
+  }
+
+  static createFilterVisualToken(name, value, isSelected = false) {
+    const li = document.createElement('li');
+    li.classList.add('js-visual-token', 'filtered-search-token');
+
+    li.innerHTML = `
+      <div class="selectable ${isSelected ? 'selected' : ''}" role="button">
+        <div class="name">${name}</div>
+        <div class="value">${value}</div>
+      </div>
+    `;
+
+    return li;
+  }
+
+  static createNameFilterVisualTokenHTML(name) {
+    return `
+      <li class="js-visual-token filtered-search-token">
+        <div class="name">${name}</div>
+      </li>
+    `;
+  }
+
+  static createSearchVisualTokenHTML(name) {
+    return `
+      <li class="js-visual-token filtered-search-term">
+        <div class="name">${name}</div>
+      </li>
+    `;
+  }
+
+  static createInputHTML(placeholder = '') {
+    return `
+      <li class="input-token">
+        <input type='text' class='filtered-search' placeholder='${placeholder}' />
+      </li>
+    `;
+  }
+
+  static createTokensContainerHTML(html, inputPlaceholder) {
+    return `
+      ${html}
+      ${FilteredSearchSpecHelper.createInputHTML(inputPlaceholder)}
+    `;
+  }
+}
+
+module.exports = FilteredSearchSpecHelper;

spec/support/filtered_search_helpers.rb

@@ -3,16 +3,20 @@ module FilteredSearchHelpers
     page.find('.filtered-search')
   end
 
+  # Enables input to be set (similar to copy and paste)
   def input_filtered_search(search_term, submit: true)
-    filtered_search.set(search_term)
+    # Add an extra space to engage visual tokens
+    filtered_search.set("#{search_term} ")
 
     if submit
       filtered_search.send_keys(:enter)
     end
   end
 
+  # Enables input to be added character by character
   def input_filtered_search_keys(search_term)
-    filtered_search.send_keys(search_term)
+    # Add an extra space to engage visual tokens
+    filtered_search.send_keys("#{search_term} ")
     filtered_search.send_keys(:enter)
   end
 
@@ -34,4 +38,32 @@ module FilteredSearchHelpers
     # This ensures the dropdown is shown
     expect(find('#js-dropdown-label')).not_to have_css('.filter-dropdown-loading')
   end
+
+  def expect_filtered_search_input_empty
+    expect(find('.filtered-search').value).to eq('')
+  end
+
+  # Iterates through each visual token inside
+  # .tokens-container to make sure the correct names and values are rendered
+  def expect_tokens(tokens)
+    page.find '.filtered-search-input-container .tokens-container' do
+      page.all(:css, '.tokens-container li').each_with_index do |el, index|
+        token_name = tokens[index][:name]
+        token_value = tokens[index][:value]
+
+        expect(el.find('.name')).to have_content(token_name)
+        if token_value
+          expect(el.find('.value')).to have_content(token_value)
+        end
+      end
+    end
+  end
+
+  def default_placeholder
+    'Search or filter results...'
+  end
+
+  def get_filtered_search_placeholder
+    find('.filtered-search')['placeholder']
+  end
 end