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Eugene Shen
todomvc
Commits
3630eda0
Commit
3630eda0
authored
May 29, 2013
by
Stephen Sawchuk
Browse files
Options
Browse Files
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Plain Diff
Merge pull request #579 from stephenplusplus/knockoutjs_require
knockoutjs_require codestyle.
parents
27850eac
fcc5981c
Changes
7
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Showing
7 changed files
with
178 additions
and
173 deletions
+178
-173
labs/dependency-examples/knockoutjs_require/index.html
labs/dependency-examples/knockoutjs_require/index.html
+1
-2
labs/dependency-examples/knockoutjs_require/js/config/global.js
...ependency-examples/knockoutjs_require/js/config/global.js
+4
-2
labs/dependency-examples/knockoutjs_require/js/extends/handlers.js
...ndency-examples/knockoutjs_require/js/extends/handlers.js
+44
-40
labs/dependency-examples/knockoutjs_require/js/extends/native.js
...pendency-examples/knockoutjs_require/js/extends/native.js
+0
-9
labs/dependency-examples/knockoutjs_require/js/main.js
labs/dependency-examples/knockoutjs_require/js/main.js
+17
-15
labs/dependency-examples/knockoutjs_require/js/models/Todo.js
.../dependency-examples/knockoutjs_require/js/models/Todo.js
+14
-10
labs/dependency-examples/knockoutjs_require/js/viewmodels/todo.js
...endency-examples/knockoutjs_require/js/viewmodels/todo.js
+98
-95
No files found.
labs/dependency-examples/knockoutjs_require/index.html
View file @
3630eda0
...
...
@@ -10,8 +10,7 @@
<section
id=
"todoapp"
>
<header
id=
"header"
>
<h1>
todos
</h1>
<input
id=
"new-todo"
type=
"text"
data-bind=
"value: current, valueUpdate: 'afterkeydown', enterKey: add"
placeholder=
"What needs to be done?"
autofocus
>
<input
id=
"new-todo"
type=
"text"
data-bind=
"value: current, valueUpdate: 'afterkeydown', enterKey: add"
placeholder=
"What needs to be done?"
autofocus
>
</header>
<section
id=
"main"
data-bind=
"visible: todos().length"
>
<input
id=
"toggle-all"
type=
"checkbox"
data-bind=
"checked: allCompleted"
>
...
...
labs/dependency-examples/knockoutjs_require/js/config/global.js
View file @
3630eda0
/*global define */
// Author: Loïc Knuchel <loicknuchel@gmail.com>
define
({
ENTER_KEY
:
13
,
localStorageItem
:
'
todos-knockout-require
'
ENTER_KEY
:
13
,
localStorageItem
:
'
todos-knockout-require
'
});
labs/dependency-examples/knockoutjs_require/js/extends/handlers.js
View file @
3630eda0
/*global define */
define
([
'
knockout
'
,
'
config/global
'
],
function
(
ko
,
g
){
'
use strict
'
;
// a custom binding to handle the enter key (could go in a separate library)
ko
.
bindingHandlers
.
enterKey
=
{
init
:
function
(
element
,
valueAccessor
,
allBindingsAccessor
,
data
)
{
var
wrappedHandler
,
newValueAccessor
;
'
knockout
'
,
'
config/global
'
],
function
(
ko
,
g
)
{
'
use strict
'
;
// a custom binding to handle the enter key (could go in a separate library)
ko
.
bindingHandlers
.
enterKey
=
{
init
:
function
(
element
,
valueAccessor
,
allBindingsAccessor
,
data
)
{
var
wrappedHandler
;
var
newValueAccessor
;
// wrap the handler with a check for the enter key
wrappedHandler
=
function
(
data
,
event
)
{
if
(
event
.
keyCode
===
g
.
ENTER_KEY
)
{
valueAccessor
().
call
(
this
,
data
,
event
);
}
};
// wrap the handler with a check for the enter key
wrappedHandler
=
function
(
data
,
event
)
{
if
(
event
.
keyCode
===
g
.
ENTER_KEY
)
{
valueAccessor
().
call
(
this
,
data
,
event
);
}
};
// create a valueAccessor with the options that we would want to pass to the event binding
newValueAccessor
=
function
()
{
return
{
keyup
:
wrappedHandler
};
};
// create a valueAccessor with the options that we would want to pass to the event binding
newValueAccessor
=
function
()
{
return
{
keyup
:
wrappedHandler
};
};
// call the real event binding's init function
ko
.
bindingHandlers
.
event
.
init
(
element
,
newValueAccessor
,
allBindingsAccessor
,
data
);
}
};
// call the real event binding's init function
ko
.
bindingHandlers
.
event
.
init
(
element
,
newValueAccessor
,
allBindingsAccessor
,
data
);
}
};
// wrapper to hasfocus that also selects text and applies focus async
ko
.
bindingHandlers
.
selectAndFocus
=
{
init
:
function
(
element
,
valueAccessor
,
allBindingsAccessor
)
{
ko
.
bindingHandlers
.
hasfocus
.
init
(
element
,
valueAccessor
,
allBindingsAccessor
);
ko
.
utils
.
registerEventHandler
(
element
,
'
focus
'
,
function
()
{
element
.
focus
();
}
);
},
update
:
function
(
element
,
valueAccessor
)
{
ko
.
utils
.
unwrapObservable
(
valueAccessor
()
);
// for dependency
// ensure that element is visible before trying to focus
setTimeout
(
function
()
{
ko
.
bindingHandlers
.
hasfocus
.
update
(
element
,
valueAccessor
);
},
0
);
}
};
// wrapper to hasfocus that also selects text and applies focus async
ko
.
bindingHandlers
.
selectAndFocus
=
{
init
:
function
(
element
,
valueAccessor
,
allBindingsAccessor
)
{
ko
.
bindingHandlers
.
hasfocus
.
init
(
element
,
valueAccessor
,
allBindingsAccessor
);
ko
.
utils
.
registerEventHandler
(
element
,
'
focus
'
,
function
()
{
element
.
focus
();
}
);
},
update
:
function
(
element
,
valueAccessor
)
{
ko
.
utils
.
unwrapObservable
(
valueAccessor
()
);
// for dependency
// ensure that element is visible before trying to focus
setTimeout
(
function
()
{
ko
.
bindingHandlers
.
hasfocus
.
update
(
element
,
valueAccessor
);
},
0
);
}
};
});
labs/dependency-examples/knockoutjs_require/js/extends/native.js
deleted
100644 → 0
View file @
27850eac
define
(
function
(){
'
use strict
'
;
// trim polyfill
if
(
!
String
.
prototype
.
trim
)
{
String
.
prototype
.
trim
=
function
()
{
return
this
.
replace
(
/^
\s
+|
\s
+$/g
,
''
);
};
}
});
labs/dependency-examples/knockoutjs_require/js/main.js
View file @
3630eda0
/*global require, window */
// Author: Loïc Knuchel <loicknuchel@gmail.com>
// Require.js allows us to configure shortcut alias
require
.
config
({
paths
:
{
knockout
:
'
../bower_components/knockout.js/knockout
'
}
paths
:
{
knockout
:
'
../bower_components/knockout.js/knockout
'
}
});
require
([
'
knockout
'
,
'
config/global
'
,
'
viewmodels/todo
'
,
'
extends/handlers
'
,
'
extends/native
'
],
function
(
ko
,
g
,
TodoViewModel
){
'
use strict
'
;
// var app_view = new AppView();
// check local storage for todos
var
todos
=
ko
.
utils
.
parseJson
(
localStorage
.
getItem
(
g
.
localStorageItem
)
);
'
knockout
'
,
'
config/global
'
,
'
viewmodels/todo
'
,
'
extends/handlers
'
],
function
(
ko
,
g
,
TodoViewModel
)
{
'
use strict
'
;
// var app_view = new AppView();
// check local storage for todos
var
todos
=
ko
.
utils
.
parseJson
(
window
.
localStorage
.
getItem
(
g
.
localStorageItem
)
);
// bind a new instance of our view model to the page
ko
.
applyBindings
(
new
TodoViewModel
(
todos
||
[]
)
);
// bind a new instance of our view model to the page
ko
.
applyBindings
(
new
TodoViewModel
(
todos
||
[])
);
});
labs/dependency-examples/knockoutjs_require/js/models/Todo.js
View file @
3630eda0
/*global define */
define
([
'
knockout
'
],
function
(
ko
){
'
use strict
'
;
// represent a single todo item
var
Todo
=
function
(
title
,
completed
)
{
this
.
title
=
ko
.
observable
(
title
);
this
.
completed
=
ko
.
observable
(
completed
);
this
.
editing
=
ko
.
observable
(
false
);
};
return
Todo
;
'
knockout
'
],
function
(
ko
)
{
'
use strict
'
;
// represent a single todo item
var
Todo
=
function
(
title
,
completed
)
{
this
.
title
=
ko
.
observable
(
title
);
this
.
completed
=
ko
.
observable
(
completed
);
this
.
editing
=
ko
.
observable
(
false
);
};
return
Todo
;
});
labs/dependency-examples/knockoutjs_require/js/viewmodels/todo.js
View file @
3630eda0
/*global define, window */
define
([
'
knockout
'
,
'
config/global
'
,
'
models/Todo
'
],
function
(
ko
,
g
,
Todo
){
'
use strict
'
;
// our main view model
var
ViewModel
=
function
(
todos
)
{
var
self
=
this
;
// map array of passed in todos to an observableArray of Todo objects
self
.
todos
=
ko
.
observableArray
(
ko
.
utils
.
arrayMap
(
todos
,
function
(
todo
)
{
return
new
Todo
(
todo
.
title
,
todo
.
completed
);
}));
// store the new todo value being entered
self
.
current
=
ko
.
observable
();
// add a new todo, when enter key is pressed
self
.
add
=
function
()
{
var
current
=
self
.
current
().
trim
();
if
(
current
)
{
self
.
todos
.
push
(
new
Todo
(
current
)
);
self
.
current
(
''
);
}
};
// remove a single todo
self
.
remove
=
function
(
todo
)
{
self
.
todos
.
remove
(
todo
);
};
// remove all completed todos
self
.
removeCompleted
=
function
()
{
self
.
todos
.
remove
(
function
(
todo
)
{
return
todo
.
completed
();
});
};
// edit an item
self
.
editItem
=
function
(
item
)
{
item
.
editing
(
true
);
};
// stop editing an item. Remove the item, if it is now empty
self
.
stopEditing
=
function
(
item
)
{
item
.
editing
(
false
);
if
(
!
item
.
title
().
trim
()
)
{
self
.
remove
(
item
);
}
};
// count of all completed todos
self
.
completedCount
=
ko
.
computed
(
function
()
{
return
ko
.
utils
.
arrayFilter
(
self
.
todos
(),
function
(
todo
)
{
return
todo
.
completed
();
}
).
length
;
});
// count of todos that are not complete
self
.
remainingCount
=
ko
.
computed
(
function
()
{
return
self
.
todos
().
length
-
self
.
completedCount
();
});
// writeable computed observable to handle marking all complete/incomplete
self
.
allCompleted
=
ko
.
computed
({
//always return true/false based on the done flag of all todos
read
:
function
()
{
return
!
self
.
remainingCount
();
},
// set all todos to the written value (true/false)
write
:
function
(
newValue
)
{
ko
.
utils
.
arrayForEach
(
self
.
todos
(),
function
(
todo
)
{
// set even if value is the same, as subscribers are not notified in that case
todo
.
completed
(
newValue
);
});
}
});
// helper function to keep expressions out of markup
self
.
getLabel
=
function
(
count
)
{
return
ko
.
utils
.
unwrapObservable
(
count
)
===
1
?
'
item
'
:
'
items
'
;
};
// internal computed observable that fires whenever anything changes in our todos
ko
.
computed
(
function
()
{
// store a clean copy to local storage, which also creates a dependency on the observableArray and all observables in each item
localStorage
.
setItem
(
g
.
localStorageItem
,
ko
.
toJSON
(
self
.
todos
)
);
}).
extend
({
throttle
:
500
});
// save at most twice per second
};
return
ViewModel
;
'
knockout
'
,
'
config/global
'
,
'
models/Todo
'
],
function
(
ko
,
g
,
Todo
)
{
'
use strict
'
;
// our main view model
var
ViewModel
=
function
(
todos
)
{
var
self
=
this
;
// map array of passed in todos to an observableArray of Todo objects
self
.
todos
=
ko
.
observableArray
(
ko
.
utils
.
arrayMap
(
todos
,
function
(
todo
)
{
return
new
Todo
(
todo
.
title
,
todo
.
completed
);
}));
// store the new todo value being entered
self
.
current
=
ko
.
observable
();
// add a new todo, when enter key is pressed
self
.
add
=
function
()
{
var
current
=
self
.
current
().
trim
();
if
(
current
)
{
self
.
todos
.
push
(
new
Todo
(
current
));
self
.
current
(
''
);
}
};
// remove a single todo
self
.
remove
=
function
(
todo
)
{
self
.
todos
.
remove
(
todo
);
};
// remove all completed todos
self
.
removeCompleted
=
function
()
{
self
.
todos
.
remove
(
function
(
todo
)
{
return
todo
.
completed
();
});
};
// edit an item
self
.
editItem
=
function
(
item
)
{
item
.
editing
(
true
);
};
// stop editing an item. Remove the item, if it is now empty
self
.
stopEditing
=
function
(
item
)
{
item
.
editing
(
false
);
if
(
!
item
.
title
().
trim
())
{
self
.
remove
(
item
);
}
};
// count of all completed todos
self
.
completedCount
=
ko
.
computed
(
function
()
{
return
ko
.
utils
.
arrayFilter
(
self
.
todos
(),
function
(
todo
)
{
return
todo
.
completed
();
}).
length
;
});
// count of todos that are not complete
self
.
remainingCount
=
ko
.
computed
(
function
()
{
return
self
.
todos
().
length
-
self
.
completedCount
();
});
// writeable computed observable to handle marking all complete/incomplete
self
.
allCompleted
=
ko
.
computed
({
//always return true/false based on the done flag of all todos
read
:
function
()
{
return
!
self
.
remainingCount
();
},
// set all todos to the written value (true/false)
write
:
function
(
newValue
)
{
ko
.
utils
.
arrayForEach
(
self
.
todos
(),
function
(
todo
)
{
// set even if value is the same, as subscribers are not notified in that case
todo
.
completed
(
newValue
);
});
}
});
// helper function to keep expressions out of markup
self
.
getLabel
=
function
(
count
)
{
return
ko
.
utils
.
unwrapObservable
(
count
)
===
1
?
'
item
'
:
'
items
'
;
};
// internal computed observable that fires whenever anything changes in our todos
ko
.
computed
(
function
()
{
// store a clean copy to local storage, which also creates a dependency on the observableArray and all observables in each item
window
.
localStorage
.
setItem
(
g
.
localStorageItem
,
ko
.
toJSON
(
self
.
todos
));
}).
extend
({
throttle
:
500
});
// save at most twice per second
};
return
ViewModel
;
});
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