support min, max, num, percent, percentile, 3 color conditional formatting

cell/model/ConditionalFormatting.js

@@ -91,6 +91,42 @@
 			res.aColors.push(this.aColors[i].clone());
 		return res;
 	};
+	CColorScale.prototype.getMin = function(min, max, count) {
+		var oCFVO = (0 < this.aCFVOs.length) ? this.aCFVOs[0] : null;
+		return this.getValue(min, max, count, oCFVO);
+	};
+	CColorScale.prototype.getMid = function(min, max, count) {
+		var oCFVO = (2 < this.aCFVOs.length ? this.aCFVOs[1] : null);
+		return this.getValue(min, max, count, oCFVO);
+	};
+	CColorScale.prototype.getMax = function(min, max, count) {
+		var oCFVO = (2 === this.aCFVOs.length) ? this.aCFVOs[1] : (2 < this.aCFVOs.length ? this.aCFVOs[2] : null);
+		return this.getValue(min, max, count, oCFVO);
+	};
+	CColorScale.prototype.getValue = function(min, max, count, oCFVO) {
+		var res = min;
+		if (oCFVO) {
+			// ToDo Formula
+			switch (oCFVO.Type) {
+				case AscCommonExcel.ECfvoType.Minimum:
+					res = min;
+					break;
+				case AscCommonExcel.ECfvoType.Maximum:
+					res = max;
+					break;
+				case AscCommonExcel.ECfvoType.Number:
+					res = parseFloat(oCFVO.Val);
+					break;
+				case AscCommonExcel.ECfvoType.Percent:
+					res = min + Math.floor((max - min) * parseFloat(oCFVO.Val) / 100);
+					break;
+				case AscCommonExcel.ECfvoType.Percentile:
+					res = min + Math.floor(count * parseFloat(oCFVO.Val) / 100);
+					break;
+			}
+		}
+		return res;
+	};
 
 	function CDataBar () {
 		this.MaxLength = 90;
@@ -191,6 +227,11 @@
 		this.b2 = this.c2.getB();
 	};
 	CGradient.prototype.calculateColor = function (indexColor) {
+		if (indexColor < this.min) {
+			indexColor = this.min;
+		} else if (indexColor > this.max) {
+			indexColor = this.max;
+		}
 		indexColor = ((indexColor - this.min) * this.koef) >> 0;
 
 		var r = (this.r1 + ((FT_Common.IntToUInt(this.r2 - this.r1) * indexColor) >> this.base_shift)) & 0xFF;

cell/model/Serialize.js

@@ -8088,6 +8088,7 @@
     window["Asc"].EFontScheme = EFontScheme;
     window["Asc"].EIconSetType = EIconSetType;
 	window["Asc"].ECfType = ECfType;
+    window["AscCommonExcel"].ECfvoType = ECfvoType;
       window["Asc"].ESparklineType = ESparklineType;
       window["Asc"].EDispBlanksAs = EDispBlanksAs;
       window["Asc"].SparklineAxisMinMax = SparklineAxisMinMax;

cell/model/Workbook.js

@@ -3493,12 +3493,12 @@ Woorksheet.prototype._getValuesForConditionalFormatting = function(sqref, withEm
   return res;
 };
 Woorksheet.prototype._updateConditionalFormatting = function(range) {
-  var oGradient = null;
+  var oGradient1, oGradient2;
   var aCFs = this.aConditionalFormatting;
   var aRules, oRule;
   var oRuleElement = null;
   var o;
-  var i, j, cell, sqref, values, value, tmp, min, max, dxf, compareFunction, nc;
+  var i, j, l, cell, sqref, values, value, v, tmp, min, mid, max, dxf, compareFunction, nc;
   for (i = 0; i < aCFs.length; ++i) {
     sqref = aCFs[i].sqref;
     // ToDo убрать null === sqref когда научимся мультиселект обрабатывать (\\192.168.5.2\source\DOCUMENTS\XLSX\Matematika Quantum Sedekah.xlsx)
@@ -3521,32 +3521,47 @@ Woorksheet.prototype._updateConditionalFormatting = function(range) {
           if (!(oRuleElement instanceof AscCommonExcel.CColorScale)) {
             break;
           }
+          nc = 0;
           min = Number.MAX_VALUE;
           max = -Number.MAX_VALUE;
           values = this._getValuesForConditionalFormatting(sqref, false);
-          for (cell = 0; cell < values.v.length; ++cell) {
+          for (cell = 0; cell < values.length; ++cell) {
             value = values[cell];
             if (CellValueType.Number === value.c.getType() && !isNaN(tmp = parseFloat(value.v))) {
               value.v = tmp;
               min = Math.min(min, tmp);
               max = Math.max(max, tmp);
+              ++nc;
             } else {
               value.v = null;
             }
           }
 
-          // ToDo CFVO Type (formula, max, min, num, percent, percentile) (page 2681)
-          // ToDo support 3 colors in rule
-          if (0 < values.length && 2 === oRuleElement.aColors.length) {
-            oGradient = new AscCommonExcel.CGradient(oRuleElement.aColors[0], oRuleElement.aColors[1]);
-            oGradient.init(min, max);
+          // ToDo CFVO Type formula (page 2681)
+          l = oRuleElement.aColors.length;
+          if (0 < values.length && 2 <= l) {
+            oGradient1 = new AscCommonExcel.CGradient(oRuleElement.aColors[0], oRuleElement.aColors[1]);
+            min = oRuleElement.getMin(min, max, nc);
+            max = oRuleElement.getMax(min, max, nc);
+            oGradient2 = null;
+            if (2 < l) {
+              oGradient2 = new AscCommonExcel.CGradient(oRuleElement.aColors[1], oRuleElement.aColors[2]);
+              mid = oRuleElement.getMid(min, max, nc);
+
+              oGradient1.init(min, mid);
+              oGradient2.init(mid, max);
+            } else {
+              oGradient1.init(min, max);
+            }
 
             for (cell = 0; cell < values.length; ++cell) {
               value = values[cell];
+              v = value.v;
               dxf = null;
-              if (null !== value.v) {
+              if (null !== v) {
                 dxf = new AscCommonExcel.CellXfs();
-                dxf.fill = new AscCommonExcel.Fill({bg: oGradient.calculateColor(value.v)});
+                tmp = (oGradient2 && v > oGradient1.max) ? oGradient2 : oGradient1;
+                dxf.fill = new AscCommonExcel.Fill({bg: tmp.calculateColor(v)});
               }
               value.c.setConditionalFormattingStyle(dxf);
             }
@@ -3567,7 +3582,7 @@ Woorksheet.prototype._updateConditionalFormatting = function(range) {
             }
             values.sort((function(condition) {
               return function(v1, v2) {
-                return condition* (v2.v - v1.v);
+                return condition * (v2.v - v1.v);
               }
             })(oRule.bottom ? -1 : 1));