330 lines
9.6 KiB
JavaScript
330 lines
9.6 KiB
JavaScript
/*
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Product Name: dhtmlxSuite
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Version: 5.2.0
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Edition: Professional
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License: content of this file is covered by DHTMLX Commercial or Enterprise license. Usage without proper license is prohibited. To obtain it contact sales@dhtmlx.com
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Copyright UAB Dinamenta http://www.dhtmlx.com
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*/
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/**
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* @desc: cell with support for math formulas
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* @param: cell - cell object
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* @type: private
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* @edition: Professional
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*/
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function eXcell_math(cell){
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if (cell){
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this.cell = cell;
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this.grid = this.cell.parentNode.grid;
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}
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this.edit = function(){
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this.grid.editor = new eXcell_ed(this.cell);
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this.grid.editor.fix_self=true;
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this.grid.editor.getValue=this.cell.original?(function(){ return this.cell.original}):this.getValue;
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this.grid.editor.setValue=this.setValue;
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this.grid.editor.edit();
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}
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this.isDisabled = function(){ return !this.grid._mathEdit; }
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this.setValue = function(val){
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val=this.grid._compileSCL(val,this.cell,this.fix_self);
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if (this.grid._strangeParams[this.cell._cellIndex])
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this.grid.cells5(this.cell,this.grid._strangeParams[this.cell._cellIndex]).setValue(val);
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else{
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this.setCValue(val);
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this.cell._clearCell=false;
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}
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}
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this.getValue = function(){
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if (this.grid._strangeParams[this.cell._cellIndex])
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return this.grid.cells5(this.cell,this.grid._strangeParams[this.cell._cellIndex]).getValue();
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return this.cell.innerHTML;
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}
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}
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eXcell_math.prototype = new eXcell;
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dhx4.attachEvent("onGridCreated", function(grid){
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grid._reset_math();
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if (grid._was_created_math) return;
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grid._was_created_math = true;
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grid.attachEvent("onClearAll", grid._reset_math);
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grid.attachEvent("onCellChanged",function(id,ind){
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if (this._mat_links[id]){
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var cell=this._mat_links[id][ind];
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if (cell){
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for (var i=0; i<cell.length; i++)
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if (cell[i].parentNode)
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this.cells5(cell[i]).setValue(this._calcSCL(cell[i]));
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}
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}
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if (!this._parsing && this._aggregators[ind]){
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var pid=this._h2.get[id].parent.id;
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if (pid!=0){
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var ed=this.cells(pid,ind);
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ed.setValue(this._calcSCL(ed.cell));
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}
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}
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})
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grid.attachEvent("onAfterRowDeleted",function(id,pid){ //will be called for each delete operation, may be optimized
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if (pid!=0)
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if (!this._parsing && this._aggregators.length){
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for (var ind=0; ind < this._aggregators.length; ind++) {
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if (this._aggregators[ind]){
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var ed=this.cells(pid,ind);
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ed.setValue(this._calcSCL(ed.cell));
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}
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};
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}
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return true;
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})
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grid.attachEvent("onXLE", grid._refresh_math);
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});
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dhtmlXGridObject.prototype._reset_math=function(){
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this._mat_links = {};
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this._aggregators = [];
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};
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dhtmlXGridObject.prototype._refresh_math=function(){
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for (var i=0; i < this._aggregators.length; i++) {
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if (this._aggregators[i])
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this._h2.forEachChild(0,function(el){
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if (el.childs.length!=0){
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var ed=this.cells(el.id,i);
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ed.setValue(this._calcSCL(ed.cell));
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}
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},this);
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};
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};
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dhtmlXGridObject.prototype.refreshMath=function(status){
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this._mat_links = {};
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for (var i=0; i<this.getColumnsNum(); i++){
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if (this.getColType(i) == "math"){
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this.forEachRow(function(id){
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var cell = this.cells(id, i);
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cell.setValue(cell.cell.original || cell.getValue());
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});
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}
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}
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};
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/**
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* @desc: enable/disable serialization of math formulas
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* @param: status - true/false
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* @type: public
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* @edition: Professional
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*/
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dhtmlXGridObject.prototype.enableMathSerialization=function(status){
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this._mathSerialization=dhx4.s2b(status);
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}
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/**
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* @desc: enable/disable rounding while math calculations
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* @param: digits - set hom many digits must be rounded, set 0 for disabling
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* @type: public
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* @edition: Professional
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*/
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dhtmlXGridObject.prototype.setMathRound=function(digits){
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this._roundDl=digits;
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this._roundD=Math.pow(10,digits);
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}
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/**
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* @desc: enable/disable editing of math cells
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* @param: status - true/false
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* @type: public
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* @edition: Professional
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*/
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dhtmlXGridObject.prototype.enableMathEditing=function(status){
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this._mathEdit=dhx4.s2b(status);
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}
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/**
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* @desc: calculate value of math cell
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* @param: cell - math cell
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* @returns: cell value
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* @type: private
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* @edition: Professional
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*/
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dhtmlXGridObject.prototype._calcSCL=function(cell){
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if (!cell._code) return this.cells5(cell).getValue();
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try{
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dhtmlx.agrid=this;
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var z=eval(cell._code);
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} catch(e){ return ("#SCL"); }
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if (this._roundD)
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{
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var pre=Math.abs(z)<1?"0":"";
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if (z<0) pre="-"+pre;
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z=Math.round(Math.abs(z)*this._roundD).toString();
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if (z==0) return 0;
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if (this._roundDl>0){
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var n=z.length-this._roundDl;
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if (n<0) {
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z=("000000000"+z).substring(9+n);
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n=0;
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}
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return (pre+z.substring(0,n)+"."+z.substring(n,z.length));
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}
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return pre+z;
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}
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return z;
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}
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dhtmlXGridObject.prototype._countTotal=function(row,cell){
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var b=0;
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var z=this._h2.get[row];
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for (var i=0; i<z.childs.length; i++){
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if (!z.childs[i].buff) return b; // dnd of item with childs, item inserted in hierarchy but not fully processed
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if (z.childs[i].buff._parser){
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b = 0;
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this._h2.forEachChild(row,function(el){
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if (el.childs.length==0){
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var value = parseFloat(this._get_cell_value(el.buff,cell),10);
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if (value)
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b += value;
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}
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},this)
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return b;
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}
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var value = parseFloat(this._get_cell_value(z.childs[i].buff,cell),10);
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if (value)
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b += value;
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}
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return b;
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}
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/**
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* @desc: compile pseudo code to correct javascript
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* @param: code - pseudo code
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* @param: cell - math cell
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* @returns: valid js code
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* @type: private
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* @edition: Professional
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*/
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dhtmlXGridObject.prototype._compileSCL=function(code,cell,fix){
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if (code === null || code === window.undefined) return code;
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code=code.toString();
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if (code.indexOf("=")!=0 || !cell.parentNode) {
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this._reLink([],cell);
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if (fix) cell._code = cell.original = null;
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return code;
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}
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cell.original=code;
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var linked=null;
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code=code.replace("=","");
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if (code.indexOf("sum")!=-1){
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code=code.replace("sum","(dhtmlx.agrid._countTotal('"+cell.parentNode.idd+"',"+cell._cellIndex+"))");
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if (!this._aggregators) this._aggregators=[];
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this._aggregators[cell._cellIndex]="sum";
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cell._code=code;
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return this._parsing?"":this._calcSCL(cell);
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}
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if (code.indexOf("[[")!=-1){
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var test = /(\[\[([^\,]*)\,([^\]]*)]\])/g;
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dhtmlx.agrid=this;
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linked=linked||(new Array());
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code=code.replace(test,
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function ($0,$1,$2,$3){
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if ($2=="-")
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$2=cell.parentNode.idd;
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if ($2.indexOf("#")==0)
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$2=dhtmlx.agrid.getRowId($2.replace("#",""));
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linked[linked.length]=[$2,$3];
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return "(parseFloat(dhtmlx.agrid.cells(\""+$2+"\","+$3+").getValue(),10))";
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}
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);
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}
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if (code.indexOf(":")!=-1){
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var test = /:(\w+)/g;
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dhtmlx.agrid=this;
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var id=cell.parentNode.idd;
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linked=linked||(new Array());
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code=code.replace(test,
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function ($0,$1,$2,$3){
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linked[linked.length]=[id,dhtmlx.agrid.getColIndexById($1)];
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return '(parseFloat(dhtmlx.agrid.cells("'+id+'",dhtmlx.agrid.getColIndexById("'+$1+'")).getValue(),10))';
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}
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);
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}
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else{
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var test = /c([0-9]+)/g;
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dhtmlx.agrid=this;
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var id=cell.parentNode.idd;
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linked=linked||(new Array());
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code=code.replace(test,
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function ($0,$1,$2,$3){
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linked[linked.length]=[id,$1];
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return "(parseFloat(dhtmlx.agrid.cells(\""+id+"\","+$1+").getValue(),10))";
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}
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);
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}
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this._reLink(linked,cell);
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cell._code=code;
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return this._calcSCL(cell);
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}
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/**
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* @desc: link math cells to it source cells
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* @param: ar - array of nodes for linking
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* @param: cell - math cell
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* @type: private
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* @edition: Professional
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*/
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dhtmlXGridObject.prototype._reLink=function(ar,cell){
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if (!ar.length) return; // basically it would be good to clear unused math links, but it will require a symetric structure
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for (var i=0; i<ar.length; i++){
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if (!this._mat_links[ar[i][0]]) this._mat_links[ar[i][0]]={};
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var t=this._mat_links[ar[i][0]];
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if (!t[ar[i][1]]) t[ar[i][1]]=[];
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t[ar[i][1]].push(cell);
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}
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}
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if (_isKHTML){
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// replace callback support for safari.
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(function(){
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var default_replace = String.prototype.replace;
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String.prototype.replace = function(search,replace){
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// replace is not function
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if(typeof replace != "function"){
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return default_replace.apply(this,arguments)
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}
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var str = "" + this;
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var callback = replace;
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// search string is not RegExp
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if(!(search instanceof RegExp)){
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var idx = str.indexOf(search);
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return (
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idx == -1 ? str :
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default_replace.apply(str,[search,callback(search, idx, str)])
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)
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}
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var reg = search;
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var result = [];
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var lastidx = reg.lastIndex;
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var re;
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while((re = reg.exec(str)) != null){
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var idx = re.index;
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var args = re.concat(idx, str);
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result.push(
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str.slice(lastidx,idx),
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callback.apply(null,args).toString()
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);
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if(!reg.global){
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lastidx += RegExp.lastMatch.length;
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break
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}else{
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lastidx = reg.lastIndex;
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}
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}
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result.push(str.slice(lastidx));
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return result.join("")
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}
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})();
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}
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//(c)dhtmlx ltd. www.dhtmlx.com
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