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668 lines
20 KiB
JavaScript
668 lines
20 KiB
JavaScript
dojo.provide("dojox.grid._View");
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dojo.require("dijit._Widget");
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dojo.require("dijit._Templated");
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dojo.require("dojox.grid._Builder");
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dojo.require("dojox.html.metrics");
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dojo.require("dojox.grid.util");
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dojo.require("dojo.dnd.Source");
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dojo.require("dojo.dnd.Manager");
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(function(){
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// private
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var getStyleText = function(inNode, inStyleText){
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return inNode.style.cssText == undefined ? inNode.getAttribute("style") : inNode.style.cssText;
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};
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// public
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dojo.declare('dojox.grid._View', [dijit._Widget, dijit._Templated], {
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// summary:
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// A collection of grid columns. A grid is comprised of a set of views that stack horizontally.
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// Grid creates views automatically based on grid's layout structure.
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// Users should typically not need to access individual views directly.
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//
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// defaultWidth: String
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// Default width of the view
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defaultWidth: "18em",
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// viewWidth: String
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// Width for the view, in valid css unit
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viewWidth: "",
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templatePath: dojo.moduleUrl("dojox.grid","resources/View.html"),
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themeable: false,
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classTag: 'dojoxGrid',
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marginBottom: 0,
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rowPad: 2,
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// _togglingColumn: int
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// Width of the column being toggled (-1 for none)
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_togglingColumn: -1,
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postMixInProperties: function(){
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this.rowNodes = [];
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},
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postCreate: function(){
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this.connect(this.scrollboxNode,"onscroll","doscroll");
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dojox.grid.util.funnelEvents(this.contentNode, this, "doContentEvent", [ 'mouseover', 'mouseout', 'click', 'dblclick', 'contextmenu', 'mousedown' ]);
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dojox.grid.util.funnelEvents(this.headerNode, this, "doHeaderEvent", [ 'dblclick', 'mouseover', 'mouseout', 'mousemove', 'mousedown', 'click', 'contextmenu' ]);
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this.content = new dojox.grid._ContentBuilder(this);
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this.header = new dojox.grid._HeaderBuilder(this);
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//BiDi: in RTL case, style width='9000em' causes scrolling problem in head node
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if(!dojo._isBodyLtr()){
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this.headerNodeContainer.style.width = "";
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}
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},
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destroy: function(){
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dojo.destroy(this.headerNode);
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delete this.headerNode;
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dojo.forEach(this.rowNodes, dojo.destroy);
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this.rowNodes = [];
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if(this.source){
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this.source.destroy();
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}
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this.inherited(arguments);
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},
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// focus
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focus: function(){
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if(dojo.isWebKit || dojo.isOpera){
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this.hiddenFocusNode.focus();
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}else{
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this.scrollboxNode.focus();
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}
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},
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setStructure: function(inStructure){
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var vs = (this.structure = inStructure);
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// FIXME: similar logic is duplicated in layout
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if(vs.width && !isNaN(vs.width)){
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this.viewWidth = vs.width + 'em';
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}else{
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this.viewWidth = vs.width || (vs.noscroll ? 'auto' : this.viewWidth); //|| this.defaultWidth;
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}
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this.onBeforeRow = vs.onBeforeRow;
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this.onAfterRow = vs.onAfterRow;
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this.noscroll = vs.noscroll;
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if(this.noscroll){
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this.scrollboxNode.style.overflow = "hidden";
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}
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this.simpleStructure = Boolean(vs.cells.length == 1);
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// bookkeeping
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this.testFlexCells();
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// accomodate new structure
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this.updateStructure();
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},
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testFlexCells: function(){
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// FIXME: cheater, this function does double duty as initializer and tester
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this.flexCells = false;
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for(var j=0, row; (row=this.structure.cells[j]); j++){
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for(var i=0, cell; (cell=row[i]); i++){
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cell.view = this;
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this.flexCells = this.flexCells || cell.isFlex();
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}
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}
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return this.flexCells;
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},
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updateStructure: function(){
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// header builder needs to update table map
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this.header.update();
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// content builder needs to update markup cache
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this.content.update();
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},
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getScrollbarWidth: function(){
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var hasScrollSpace = this.hasVScrollbar();
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var overflow = dojo.style(this.scrollboxNode, "overflow");
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if(this.noscroll || !overflow || overflow == "hidden"){
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hasScrollSpace = false;
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}else if(overflow == "scroll"){
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hasScrollSpace = true;
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}
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return (hasScrollSpace ? dojox.html.metrics.getScrollbar().w : 0); // Integer
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},
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getColumnsWidth: function(){
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return this.headerContentNode.firstChild.offsetWidth; // Integer
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},
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setColumnsWidth: function(width){
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this.headerContentNode.firstChild.style.width = width + 'px';
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if(this.viewWidth){
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this.viewWidth = width + 'px';
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}
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},
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getWidth: function(){
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return this.viewWidth || (this.getColumnsWidth()+this.getScrollbarWidth()) +'px'; // String
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},
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getContentWidth: function(){
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return Math.max(0, dojo._getContentBox(this.domNode).w - this.getScrollbarWidth()) + 'px'; // String
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},
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render: function(){
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this.scrollboxNode.style.height = '';
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this.renderHeader();
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if(this._togglingColumn >= 0){
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this.setColumnsWidth(this.getColumnsWidth() - this._togglingColumn);
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this._togglingColumn = -1;
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}
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var cells = this.grid.layout.cells;
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var getSibling = dojo.hitch(this, function(node, before){
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var inc = before?-1:1;
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var idx = this.header.getCellNodeIndex(node) + inc;
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var cell = cells[idx];
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while(cell && cell.getHeaderNode() && cell.getHeaderNode().style.display == "none"){
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idx += inc;
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cell = cells[idx];
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}
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if(cell){
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return cell.getHeaderNode();
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}
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return null;
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});
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if(this.grid.columnReordering && this.simpleStructure){
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if(this.source){
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this.source.destroy();
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}
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this.source = new dojo.dnd.Source(this.headerContentNode.firstChild.rows[0], {
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horizontal: true,
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accept: [ "gridColumn_" + this.grid.id ],
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viewIndex: this.index,
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onMouseDown: dojo.hitch(this, function(e){
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this.header.decorateEvent(e);
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if((this.header.overRightResizeArea(e) || this.header.overLeftResizeArea(e)) &&
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this.header.canResize(e) && !this.header.moveable){
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this.header.beginColumnResize(e);
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}else{
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if(this.grid.headerMenu){
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this.grid.headerMenu.onCancel(true);
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}
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// IE reports a left click as 1, where everything else reports 0
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if(e.button === (dojo.isIE ? 1 : 0)){
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dojo.dnd.Source.prototype.onMouseDown.call(this.source, e);
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}
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}
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}),
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_markTargetAnchor: dojo.hitch(this, function(before){
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var src = this.source;
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if(src.current == src.targetAnchor && src.before == before){ return; }
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if(src.targetAnchor && getSibling(src.targetAnchor, src.before)){
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src._removeItemClass(getSibling(src.targetAnchor, src.before), src.before ? "After" : "Before");
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}
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dojo.dnd.Source.prototype._markTargetAnchor.call(src, before);
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if(src.targetAnchor && getSibling(src.targetAnchor, src.before)){
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src._addItemClass(getSibling(src.targetAnchor, src.before), src.before ? "After" : "Before");
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}
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}),
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_unmarkTargetAnchor: dojo.hitch(this, function(){
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var src = this.source;
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if(!src.targetAnchor){ return; }
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if(src.targetAnchor && getSibling(src.targetAnchor, src.before)){
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src._removeItemClass(getSibling(src.targetAnchor, src.before), src.before ? "After" : "Before");
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}
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dojo.dnd.Source.prototype._unmarkTargetAnchor.call(src);
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}),
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destroy: dojo.hitch(this, function(){
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dojo.disconnect(this._source_conn);
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dojo.unsubscribe(this._source_sub);
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dojo.dnd.Source.prototype.destroy.call(this.source);
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})
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});
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this._source_conn = dojo.connect(this.source, "onDndDrop", this, "_onDndDrop");
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this._source_sub = dojo.subscribe("/dnd/drop/before", this, "_onDndDropBefore");
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this.source.startup();
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}
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},
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_onDndDropBefore: function(source, nodes, copy){
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if(dojo.dnd.manager().target !== this.source){
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return;
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}
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this.source._targetNode = this.source.targetAnchor;
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this.source._beforeTarget = this.source.before;
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var views = this.grid.views.views;
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var srcView = views[source.viewIndex];
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var tgtView = views[this.index];
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if(tgtView != srcView){
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var s = srcView.convertColPctToFixed();
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var t = tgtView.convertColPctToFixed();
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if(s || t){
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setTimeout(function(){
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srcView.update();
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tgtView.update();
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}, 50);
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}
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}
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},
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_onDndDrop: function(source, nodes, copy){
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if(dojo.dnd.manager().target !== this.source){
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if(dojo.dnd.manager().source === this.source){
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this._removingColumn = true;
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}
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return;
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}
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var getIdx = function(n){
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return n ? dojo.attr(n, "idx") : null;
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}
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var w = dojo.marginBox(nodes[0]).w;
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if(source.viewIndex !== this.index){
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var views = this.grid.views.views;
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var srcView = views[source.viewIndex];
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var tgtView = views[this.index];
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if(srcView.viewWidth && srcView.viewWidth != "auto"){
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srcView.setColumnsWidth(srcView.getColumnsWidth() - w);
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}
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if(tgtView.viewWidth && tgtView.viewWidth != "auto"){
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tgtView.setColumnsWidth(tgtView.getColumnsWidth());
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}
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}
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var stn = this.source._targetNode;
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var stb = this.source._beforeTarget;
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var layout = this.grid.layout;
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var idx = this.index;
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delete this.source._targetNode;
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delete this.source._beforeTarget;
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window.setTimeout(function(){
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layout.moveColumn(
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source.viewIndex,
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idx,
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getIdx(nodes[0]),
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getIdx(stn),
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stb
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);
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}, 1);
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},
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renderHeader: function(){
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this.headerContentNode.innerHTML = this.header.generateHtml(this._getHeaderContent);
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if(this.flexCells){
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this.contentWidth = this.getContentWidth();
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this.headerContentNode.firstChild.style.width = this.contentWidth;
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}
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dojox.grid.util.fire(this, "onAfterRow", [-1, this.structure.cells, this.headerContentNode]);
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},
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// note: not called in 'view' context
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_getHeaderContent: function(inCell){
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var n = inCell.name || inCell.grid.getCellName(inCell);
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var ret = [ '<div class="dojoxGridSortNode' ];
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if(inCell.index != inCell.grid.getSortIndex()){
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ret.push('">');
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}else{
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ret = ret.concat([ ' ',
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inCell.grid.sortInfo > 0 ? 'dojoxGridSortUp' : 'dojoxGridSortDown',
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'"><div class="dojoxGridArrowButtonChar">',
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inCell.grid.sortInfo > 0 ? '▲' : '▼',
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'</div><div class="dojoxGridArrowButtonNode" role="'+(dojo.isFF<3 ? "wairole:" : "")+'presentation"></div>' ]);
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}
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ret = ret.concat([n, '</div>']);
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return ret.join('');
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},
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resize: function(){
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this.adaptHeight();
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this.adaptWidth();
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},
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hasHScrollbar: function(reset){
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if(this._hasHScroll == undefined || reset){
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if(this.noscroll){
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this._hasHScroll = false;
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}else{
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var style = dojo.style(this.scrollboxNode, "overflow");
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if(style == "hidden"){
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this._hasHScroll = false;
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}else if(style == "scroll"){
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this._hasHScroll = true;
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}else{
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this._hasHScroll = (this.scrollboxNode.offsetWidth < this.contentNode.offsetWidth);
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}
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}
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}
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return this._hasHScroll; // Boolean
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},
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hasVScrollbar: function(reset){
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if(this._hasVScroll == undefined || reset){
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if(this.noscroll){
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this._hasVScroll = false;
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}else{
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var style = dojo.style(this.scrollboxNode, "overflow");
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if(style == "hidden"){
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this._hasVScroll = false;
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}else if(style == "scroll"){
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this._hasVScroll = true;
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}else{
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this._hasVScroll = (this.scrollboxNode.offsetHeight < this.contentNode.offsetHeight);
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}
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}
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}
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return this._hasVScroll; // Boolean
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},
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convertColPctToFixed: function(){
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// Fix any percentage widths to be pixel values
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var hasPct = false;
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var cellNodes = dojo.query("th", this.headerContentNode);
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var fixedWidths = dojo.map(cellNodes, function(c, vIdx){
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var w = c.style.width;
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dojo.attr(c, "vIdx", vIdx);
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if(w && w.slice(-1) == "%"){
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hasPct = true;
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}else if(w && w.slice(-2) == "px"){
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return window.parseInt(w, 10);
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}
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return dojo.contentBox(c).w;
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});
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if(hasPct){
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dojo.forEach(this.grid.layout.cells, function(cell, idx){
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if(cell.view == this){
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var cellNode = cell.view.getHeaderCellNode(cell.index);
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if(cellNode && dojo.hasAttr(cellNode, "vIdx")){
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var vIdx = window.parseInt(dojo.attr(cellNode, "vIdx"));
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this.setColWidth(idx, fixedWidths[vIdx]);
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cellNodes[vIdx].style.width = cell.unitWidth;
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dojo.removeAttr(cellNode, "vIdx");
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}
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}
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}, this);
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return true;
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}
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return false;
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},
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adaptHeight: function(minusScroll){
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if(!this.grid._autoHeight){
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var h = this.domNode.clientHeight;
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if(minusScroll){
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h -= dojox.html.metrics.getScrollbar().h;
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}
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dojox.grid.util.setStyleHeightPx(this.scrollboxNode, h);
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}
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this.hasVScrollbar(true);
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},
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adaptWidth: function(){
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if(this.flexCells){
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// the view content width
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this.contentWidth = this.getContentWidth();
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this.headerContentNode.firstChild.style.width = this.contentWidth;
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}
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// FIXME: it should be easier to get w from this.scrollboxNode.clientWidth,
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// but clientWidth seemingly does not include scrollbar width in some cases
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var w = this.scrollboxNode.offsetWidth - this.getScrollbarWidth();
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if(!this._removingColumn){
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w = Math.max(w, this.getColumnsWidth()) + 'px';
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}else{
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w = Math.min(w, this.getColumnsWidth()) + 'px';
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this._removingColumn = false;
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}
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var cn = this.contentNode;
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cn.style.width = w;
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this.hasHScrollbar(true);
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},
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setSize: function(w, h){
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var ds = this.domNode.style;
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var hs = this.headerNode.style;
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if(w){
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ds.width = w;
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hs.width = w;
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}
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ds.height = (h >= 0 ? h + 'px' : '');
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},
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renderRow: function(inRowIndex){
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var rowNode = this.createRowNode(inRowIndex);
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this.buildRow(inRowIndex, rowNode);
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this.grid.edit.restore(this, inRowIndex);
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if(this._pendingUpdate){
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window.clearTimeout(this._pendingUpdate);
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}
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this._pendingUpdate = window.setTimeout(dojo.hitch(this, function(){
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window.clearTimeout(this._pendingUpdate);
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delete this._pendingUpdate;
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this.grid._resize();
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}), 50);
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return rowNode;
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},
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createRowNode: function(inRowIndex){
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var node = document.createElement("div");
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node.className = this.classTag + 'Row';
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dojo.attr(node,"role","row");
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node[dojox.grid.util.gridViewTag] = this.id;
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node[dojox.grid.util.rowIndexTag] = inRowIndex;
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this.rowNodes[inRowIndex] = node;
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return node;
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},
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buildRow: function(inRowIndex, inRowNode){
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this.buildRowContent(inRowIndex, inRowNode);
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this.styleRow(inRowIndex, inRowNode);
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},
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buildRowContent: function(inRowIndex, inRowNode){
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inRowNode.innerHTML = this.content.generateHtml(inRowIndex, inRowIndex);
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if(this.flexCells && this.contentWidth){
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// FIXME: accessing firstChild here breaks encapsulation
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inRowNode.firstChild.style.width = this.contentWidth;
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}
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dojox.grid.util.fire(this, "onAfterRow", [inRowIndex, this.structure.cells, inRowNode]);
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},
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rowRemoved:function(inRowIndex){
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this.grid.edit.save(this, inRowIndex);
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delete this.rowNodes[inRowIndex];
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},
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getRowNode: function(inRowIndex){
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return this.rowNodes[inRowIndex];
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},
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getCellNode: function(inRowIndex, inCellIndex){
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var row = this.getRowNode(inRowIndex);
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if(row){
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return this.content.getCellNode(row, inCellIndex);
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}
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},
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getHeaderCellNode: function(inCellIndex){
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if(this.headerContentNode){
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return this.header.getCellNode(this.headerContentNode, inCellIndex);
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}
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},
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// styling
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styleRow: function(inRowIndex, inRowNode){
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inRowNode._style = getStyleText(inRowNode);
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this.styleRowNode(inRowIndex, inRowNode);
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},
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styleRowNode: function(inRowIndex, inRowNode){
|
|
if(inRowNode){
|
|
this.doStyleRowNode(inRowIndex, inRowNode);
|
|
}
|
|
},
|
|
|
|
doStyleRowNode: function(inRowIndex, inRowNode){
|
|
this.grid.styleRowNode(inRowIndex, inRowNode);
|
|
},
|
|
|
|
// updating
|
|
updateRow: function(inRowIndex){
|
|
var rowNode = this.getRowNode(inRowIndex);
|
|
if(rowNode){
|
|
rowNode.style.height = '';
|
|
this.buildRow(inRowIndex, rowNode);
|
|
}
|
|
return rowNode;
|
|
},
|
|
|
|
updateRowStyles: function(inRowIndex){
|
|
this.styleRowNode(inRowIndex, this.getRowNode(inRowIndex));
|
|
},
|
|
|
|
// scrolling
|
|
lastTop: 0,
|
|
firstScroll:0,
|
|
|
|
doscroll: function(inEvent){
|
|
//var s = dojo.marginBox(this.headerContentNode.firstChild);
|
|
var isLtr = dojo._isBodyLtr();
|
|
if(this.firstScroll < 2){
|
|
if((!isLtr && this.firstScroll == 1) || (isLtr && this.firstScroll == 0)){
|
|
var s = dojo.marginBox(this.headerNodeContainer);
|
|
if(dojo.isIE){
|
|
this.headerNodeContainer.style.width = s.w + this.getScrollbarWidth() + 'px';
|
|
}else if(dojo.isMoz){
|
|
//TODO currently only for FF, not sure for safari and opera
|
|
this.headerNodeContainer.style.width = s.w - this.getScrollbarWidth() + 'px';
|
|
//this.headerNodeContainer.style.width = s.w + 'px';
|
|
//set scroll to right in FF
|
|
this.scrollboxNode.scrollLeft = isLtr ?
|
|
this.scrollboxNode.clientWidth - this.scrollboxNode.scrollWidth :
|
|
this.scrollboxNode.scrollWidth - this.scrollboxNode.clientWidth;
|
|
}
|
|
}
|
|
this.firstScroll++;
|
|
}
|
|
this.headerNode.scrollLeft = this.scrollboxNode.scrollLeft;
|
|
// 'lastTop' is a semaphore to prevent feedback-loop with setScrollTop below
|
|
var top = this.scrollboxNode.scrollTop;
|
|
if(top != this.lastTop){
|
|
this.grid.scrollTo(top);
|
|
}
|
|
},
|
|
|
|
setScrollTop: function(inTop){
|
|
// 'lastTop' is a semaphore to prevent feedback-loop with doScroll above
|
|
this.lastTop = inTop;
|
|
this.scrollboxNode.scrollTop = inTop;
|
|
return this.scrollboxNode.scrollTop;
|
|
},
|
|
|
|
// event handlers (direct from DOM)
|
|
doContentEvent: function(e){
|
|
if(this.content.decorateEvent(e)){
|
|
this.grid.onContentEvent(e);
|
|
}
|
|
},
|
|
|
|
doHeaderEvent: function(e){
|
|
if(this.header.decorateEvent(e)){
|
|
this.grid.onHeaderEvent(e);
|
|
}
|
|
},
|
|
|
|
// event dispatch(from Grid)
|
|
dispatchContentEvent: function(e){
|
|
return this.content.dispatchEvent(e);
|
|
},
|
|
|
|
dispatchHeaderEvent: function(e){
|
|
return this.header.dispatchEvent(e);
|
|
},
|
|
|
|
// column resizing
|
|
setColWidth: function(inIndex, inWidth){
|
|
this.grid.setCellWidth(inIndex, inWidth + 'px');
|
|
},
|
|
|
|
update: function(){
|
|
this.content.update();
|
|
this.grid.update();
|
|
//get scroll after update or scroll left setting goes wrong on IE.
|
|
//See trac: #8040
|
|
var left = this.scrollboxNode.scrollLeft;
|
|
this.scrollboxNode.scrollLeft = left;
|
|
this.headerNode.scrollLeft = left;
|
|
}
|
|
});
|
|
|
|
dojo.declare("dojox.grid._GridAvatar", dojo.dnd.Avatar, {
|
|
construct: function(){
|
|
var dd = dojo.doc;
|
|
|
|
var a = dd.createElement("table");
|
|
a.cellPadding = a.cellSpacing = "0";
|
|
a.className = "dojoxGridDndAvatar";
|
|
a.style.position = "absolute";
|
|
a.style.zIndex = 1999;
|
|
a.style.margin = "0px"; // to avoid dojo.marginBox() problems with table's margins
|
|
var b = dd.createElement("tbody");
|
|
var tr = dd.createElement("tr");
|
|
var td = dd.createElement("td");
|
|
var img = dd.createElement("td");
|
|
tr.className = "dojoxGridDndAvatarItem";
|
|
img.className = "dojoxGridDndAvatarItemImage";
|
|
img.style.width = "16px";
|
|
var source = this.manager.source, node;
|
|
if(source.creator){
|
|
// create an avatar representation of the node
|
|
node = source._normailzedCreator(source.getItem(this.manager.nodes[0].id).data, "avatar").node;
|
|
}else{
|
|
// or just clone the node and hope it works
|
|
node = this.manager.nodes[0].cloneNode(true);
|
|
if(node.tagName.toLowerCase() == "tr"){
|
|
// insert extra table nodes
|
|
var table = dd.createElement("table"),
|
|
tbody = dd.createElement("tbody");
|
|
tbody.appendChild(node);
|
|
table.appendChild(tbody);
|
|
node = table;
|
|
}else if(node.tagName.toLowerCase() == "th"){
|
|
// insert extra table nodes
|
|
var table = dd.createElement("table"),
|
|
tbody = dd.createElement("tbody"),
|
|
r = dd.createElement("tr");
|
|
table.cellPadding = table.cellSpacing = "0";
|
|
r.appendChild(node);
|
|
tbody.appendChild(r);
|
|
table.appendChild(tbody);
|
|
node = table;
|
|
}
|
|
}
|
|
node.id = "";
|
|
td.appendChild(node);
|
|
tr.appendChild(img);
|
|
tr.appendChild(td);
|
|
dojo.style(tr, "opacity", 0.9);
|
|
b.appendChild(tr);
|
|
|
|
a.appendChild(b);
|
|
this.node = a;
|
|
|
|
var m = dojo.dnd.manager();
|
|
this.oldOffsetY = m.OFFSET_Y;
|
|
m.OFFSET_Y = 1;
|
|
},
|
|
destroy: function(){
|
|
dojo.dnd.manager().OFFSET_Y = this.oldOffsetY;
|
|
this.inherited(arguments);
|
|
}
|
|
});
|
|
|
|
var oldMakeAvatar = dojo.dnd.manager().makeAvatar;
|
|
dojo.dnd.manager().makeAvatar = function(){
|
|
var src = this.source;
|
|
if(src.viewIndex !== undefined){
|
|
return new dojox.grid._GridAvatar(this);
|
|
}
|
|
return oldMakeAvatar.call(dojo.dnd.manager());
|
|
}
|
|
})();
|