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-if(!dojo._hasResource["dojox.grid.VirtualGrid"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojox.grid.VirtualGrid"] = true;
-dojo.provide("dojox.grid.VirtualGrid");
-
-dojo.require("dojox.grid._grid.lib");
-dojo.require("dojox.grid._grid.scroller");
-dojo.require("dojox.grid._grid.view");
-dojo.require("dojox.grid._grid.views");
-dojo.require("dojox.grid._grid.layout");
-dojo.require("dojox.grid._grid.rows");
-dojo.require("dojox.grid._grid.focus");
-dojo.require("dojox.grid._grid.selection");
-dojo.require("dojox.grid._grid.edit");
-dojo.require("dojox.grid._grid.rowbar");
-dojo.require("dojox.grid._grid.publicEvents");
-
-dojo.declare('dojox.VirtualGrid',
- [ dijit._Widget, dijit._Templated ],
- {
- // summary:
- // A grid widget with virtual scrolling, cell editing, complex rows,
- // sorting, fixed columns, sizeable columns, etc.
- //
- // description:
- // VirtualGrid provides the full set of grid features without any
- // direct connection to a data store.
- //
- // The grid exposes a get function for the grid, or optionally
- // individual columns, to populate cell contents.
- //
- // The grid is rendered based on its structure, an object describing
- // column and cell layout.
- //
- // example:
- // A quick sample:
- //
- // define a get function
- // | function get(inRowIndex){ // called in cell context
- // | return [this.index, inRowIndex].join(', ');
- // | }
- //
- // define the grid structure:
- // | var structure = [ // array of view objects
- // | { cells: [// array of rows, a row is an array of cells
- // | [
- // | { name: "Alpha", width: 6 },
- // | { name: "Beta" },
- // | { name: "Gamma", get: get }]
- // | ]}
- // | ];
- //
- // | <div id="grid"
- // | rowCount="100" get="get"
- // | structure="structure"
- // | dojoType="dojox.VirtualGrid"></div>
-
- templateString:"<div class=\"dojoxGrid\" hidefocus=\"hidefocus\" role=\"wairole:grid\">\n\t<div class=\"dojoxGrid-master-header\" dojoAttachPoint=\"viewsHeaderNode\"></div>\n\t<div class=\"dojoxGrid-master-view\" dojoAttachPoint=\"viewsNode\"></div>\n\t<span dojoAttachPoint=\"lastFocusNode\" tabindex=\"0\"></span>\n</div>\n",
-
- // classTag: String
- // CSS class applied to the grid's domNode
- classTag: 'dojoxGrid',
-
- get: function(inRowIndex){
- // summary: Default data getter.
- // description:
- // Provides data to display in a grid cell. Called in grid cell context.
- // So this.cell.index is the column index.
- // inRowIndex: Integer
- // Row for which to provide data
- // returns:
- // Data to display for a given grid cell.
- },
-
- // settings
- // rowCount: Integer
- // Number of rows to display.
- rowCount: 5,
-
- // keepRows: Integer
- // Number of rows to keep in the rendering cache.
- keepRows: 75,
-
- // rowsPerPage: Integer
- // Number of rows to render at a time.
- rowsPerPage: 25,
-
- // autoWidth: Boolean
- // If autoWidth is true, grid width is automatically set to fit the data.
- autoWidth: false,
-
- // autoHeight: Boolean
- // If autoHeight is true, grid height is automatically set to fit the data.
- autoHeight: false,
-
- // autoRender: Boolean
- // If autoRender is true, grid will render itself after initialization.
- autoRender: true,
-
- // defaultHeight: String
- // default height of the grid, measured in any valid css unit.
- defaultHeight: '15em',
-
- // structure: Object|String
- // View layout defintion. Can be set to a layout object, or to the (string) name of a layout object.
- structure: '',
-
- // elasticView: Integer
- // Override defaults and make the indexed grid view elastic, thus filling available horizontal space.
- elasticView: -1,
-
- // singleClickEdit: boolean
- // Single-click starts editing. Default is double-click
- singleClickEdit: false,
-
- // Used to store the last two clicks, to ensure double-clicking occurs based on the intended row
- _click: null,
-
- // private
- sortInfo: 0,
- themeable: true,
-
- // initialization
- buildRendering: function(){
- this.inherited(arguments);
- // reset get from blank function (needed for markup parsing) to null, if not changed
- if(this.get == dojox.VirtualGrid.prototype.get){
- this.get = null;
- }
- if(!this.domNode.getAttribute('tabIndex')){
- this.domNode.tabIndex = "0";
- }
- this.createScroller();
- this.createLayout();
- this.createViews();
- this.createManagers();
- dojox.grid.initTextSizePoll();
- this.connect(dojox.grid, "textSizeChanged", "textSizeChanged");
- dojox.grid.funnelEvents(this.domNode, this, 'doKeyEvent', dojox.grid.keyEvents);
- this.connect(this, "onShow", "renderOnIdle");
- },
- postCreate: function(){
- // replace stock styleChanged with one that triggers an update
- this.styleChanged = this._styleChanged;
- this.setStructure(this.structure);
- this._click = [];
- },
-
- destroy: function(){
- this.domNode.onReveal = null;
- this.domNode.onSizeChange = null;
- this.edit.destroy();
- this.views.destroyViews();
- this.inherited(arguments);
- },
-
- styleChanged: function(){
- this.setStyledClass(this.domNode, '');
- },
-
- _styleChanged: function(){
- this.styleChanged();
- this.update();
- },
-
- textSizeChanged: function(){
- setTimeout(dojo.hitch(this, "_textSizeChanged"), 1);
- },
-
- _textSizeChanged: function(){
- if(this.domNode){
- this.views.forEach(function(v){
- v.content.update();
- });
- this.render();
- }
- },
-
- sizeChange: function(){
- dojox.grid.jobs.job(this.id + 'SizeChange', 50, dojo.hitch(this, "update"));
- },
-
- renderOnIdle: function() {
- setTimeout(dojo.hitch(this, "render"), 1);
- },
-
- createManagers: function(){
- // summary:
- // create grid managers for various tasks including rows, focus, selection, editing
-
- // row manager
- this.rows = new dojox.grid.rows(this);
- // focus manager
- this.focus = new dojox.grid.focus(this);
- // selection manager
- this.selection = new dojox.grid.selection(this);
- // edit manager
- this.edit = new dojox.grid.edit(this);
- },
-
- createScroller: function(){
- // summary: Creates a new virtual scroller
- this.scroller = new dojox.grid.scroller.columns();
- this.scroller._pageIdPrefix = this.id + '-';
- this.scroller.renderRow = dojo.hitch(this, "renderRow");
- this.scroller.removeRow = dojo.hitch(this, "rowRemoved");
- },
-
- createLayout: function(){
- // summary: Creates a new Grid layout
- this.layout = new dojox.grid.layout(this);
- },
-
- // views
- createViews: function(){
- this.views = new dojox.grid.views(this);
- this.views.createView = dojo.hitch(this, "createView");
- },
-
- createView: function(inClass){
- if(dojo.isAIR){
- var obj = window;
- var names = inClass.split('.');
- for(var i=0;i<names.length;i++){
- if(typeof obj[names[i]]=='undefined'){
- var undefstring = names[0];
- for(var j=1;j<=i;j++){
- undefstring+="."+names[j];
- }
- throw new Error(undefstring+" is undefined");
- }
- obj = obj[names[i]];
- }
- var c = obj;
- }else{
- var c = eval(inClass);
- }
- var view = new c({ grid: this });
- this.viewsNode.appendChild(view.domNode);
- this.viewsHeaderNode.appendChild(view.headerNode);
- this.views.addView(view);
- return view;
- },
-
- buildViews: function(){
- for(var i=0, vs; (vs=this.layout.structure[i]); i++){
- this.createView(vs.type || dojox._scopeName + ".GridView").setStructure(vs);
- }
- this.scroller.setContentNodes(this.views.getContentNodes());
- },
-
- setStructure: function(inStructure){
- // summary:
- // Install a new structure and rebuild the grid.
- // inStructure: Object
- // Structure object defines the grid layout and provides various
- // options for grid views and columns
- // description:
- // A grid structure is an array of view objects. A view object can
- // specify a view type (view class), width, noscroll (boolean flag
- // for view scrolling), and cells. Cells is an array of objects
- // corresponding to each grid column. The view cells object is an
- // array of subrows comprising a single row. Each subrow is an
- // array of column objects. A column object can have a name,
- // width, value (default), get function to provide data, styles,
- // and span attributes (rowSpan, colSpan).
-
- this.views.destroyViews();
- this.structure = inStructure;
- if((this.structure)&&(dojo.isString(this.structure))){
- this.structure=dojox.grid.getProp(this.structure);
- }
- if(!this.structure){
- this.structure=window["layout"];
- }
- if(!this.structure){
- return;
- }
- this.layout.setStructure(this.structure);
- this._structureChanged();
- },
-
- _structureChanged: function() {
- this.buildViews();
- if(this.autoRender){
- this.render();
- }
- },
-
- hasLayout: function() {
- return this.layout.cells.length;
- },
-
- // sizing
- resize: function(sizeBox){
- // summary:
- // Update the grid's rendering dimensions and resize it
- // sizeBox: Object?
- // {w: int, h: int, l: int, t: int}
-
- // FIXME: If grid is not sized explicitly, sometimes bogus scrollbars
- // can appear in our container, which may require an extra call to 'resize'
- // to sort out.
- this._sizeBox = sizeBox;
- this._resize();
- this.sizeChange();
- },
-
- _getPadBorder: function() {
- this._padBorder = this._padBorder || dojo._getPadBorderExtents(this.domNode);
- return this._padBorder;
- },
-
- _resize: function(){
- // if we have set up everything except the DOM, we cannot resize
- if(!this.domNode.parentNode || this.domNode.parentNode.nodeType != 1 || !this.hasLayout()){
- return;
- }
- // useful measurement
- var padBorder = this._getPadBorder();
- // grid height
- if(this.autoHeight){
- this.domNode.style.height = 'auto';
- this.viewsNode.style.height = '';
- }else if(this.flex > 0){
- }else if(this.domNode.clientHeight <= padBorder.h){
- if(this.domNode.parentNode == document.body){
- this.domNode.style.height = this.defaultHeight;
- }else{
- this.fitTo = "parent";
- }
- }
- // if we are given dimensions, size the grid's domNode to those dimensions
- if(this._sizeBox){
- dojo.contentBox(this.domNode, this._sizeBox);
- }else if(this.fitTo == "parent"){
- var h = dojo._getContentBox(this.domNode.parentNode).h;
- dojo.marginBox(this.domNode, { h: Math.max(0, h) });
- }
-
- var h = dojo._getContentBox(this.domNode).h;
- if(h == 0 && !this.autoHeight){
- // We need to hide the header, since the Grid is essentially hidden.
- this.viewsHeaderNode.style.display = "none";
- }else{
- // Otherwise, show the header and give it an appropriate height.
- this.viewsHeaderNode.style.display = "block";
- }
-
- // NOTE: it is essential that width be applied before height
- // Header height can only be calculated properly after view widths have been set.
- // This is because flex column width is naturally 0 in Firefox.
- // Therefore prior to width sizing flex columns with spaces are maximally wrapped
- // and calculated to be too tall.
- this.adaptWidth();
- this.adaptHeight();
-
- // default row height (FIXME: use running average(?), remove magic #)
- this.scroller.defaultRowHeight = this.rows.getDefaultHeightPx() + 1;
- this.postresize();
- },
-
- adaptWidth: function() {
- // private: sets width and position for views and update grid width if necessary
- var
- w = this.autoWidth ? 0 : this.domNode.clientWidth || (this.domNode.offsetWidth - this._getPadBorder().w);
- vw = this.views.arrange(1, w);
- this.views.onEach("adaptWidth");
- if (this.autoWidth)
- this.domNode.style.width = vw + "px";
- },
-
- adaptHeight: function(){
- // private: measures and normalizes header height, then sets view heights, and then updates scroller
- var vns = this.viewsHeaderNode.style, t = vns.display == "none" ? 0 : this.views.measureHeader();
- vns.height = t + 'px';
- // header heights are reset during measuring so must be normalized after measuring.
- this.views.normalizeHeaderNodeHeight();
- // content extent
- var h = (this.autoHeight ? -1 : Math.max(this.domNode.clientHeight - t, 0) || 0);
- this.views.onEach('setSize', [0, h]);
- this.views.onEach('adaptHeight');
- this.scroller.windowHeight = h;
- },
-
- // render
- render: function(){
- // summary:
- // Render the grid, headers, and views. Edit and scrolling states are reset. To retain edit and
- // scrolling states, see Update.
-
- if(!this.domNode){return;}
-
- if(!this.hasLayout()) {
- this.scroller.init(0, this.keepRows, this.rowsPerPage);
- return;
- }
- //
- this.update = this.defaultUpdate;
- this.scroller.init(this.rowCount, this.keepRows, this.rowsPerPage);
- this.prerender();
- this.setScrollTop(0);
- this.postrender();
- },
-
- prerender: function(){
- // if autoHeight, make sure scroller knows not to virtualize; everything must be rendered.
- this.keepRows = this.autoHeight ? 0 : this.constructor.prototype.keepRows;
- this.scroller.setKeepInfo(this.keepRows);
- this.views.render();
- this._resize();
- },
-
- postrender: function(){
- this.postresize();
- this.focus.initFocusView();
- // make rows unselectable
- dojo.setSelectable(this.domNode, false);
- },
-
- postresize: function(){
- // views are position absolute, so they do not inflate the parent
- if(this.autoHeight){
- this.viewsNode.style.height = this.views.measureContent() + 'px';
- }
- },
-
- renderRow: function(inRowIndex, inNodes){
- // summary: private, used internally to render rows
- this.views.renderRow(inRowIndex, inNodes);
- },
-
- rowRemoved: function(inRowIndex){
- // summary: private, used internally to remove rows
- this.views.rowRemoved(inRowIndex);
- },
-
- invalidated: null,
-
- updating: false,
-
- beginUpdate: function(){
- // summary:
- // Use to make multiple changes to rows while queueing row updating.
- // NOTE: not currently supporting nested begin/endUpdate calls
- this.invalidated = [];
- this.updating = true;
- },
-
- endUpdate: function(){
- // summary:
- // Use after calling beginUpdate to render any changes made to rows.
- this.updating = false;
- var i = this.invalidated;
- if(i.all){
- this.update();
- }else if(i.rowCount != undefined){
- this.updateRowCount(i.rowCount);
- }else{
- for(r in i){
- this.updateRow(Number(r));
- }
- }
- this.invalidated = null;
- },
-
- // update
- defaultUpdate: function(){
- // note: initial update calls render and subsequently this function.
- if(!this.domNode){return;}
- if(this.updating){
- this.invalidated.all = true;
- return;
- }
- //this.edit.saveState(inRowIndex);
- this.prerender();
- this.scroller.invalidateNodes();
- this.setScrollTop(this.scrollTop);
- this.postrender();
- //this.edit.restoreState(inRowIndex);
- },
-
- update: function(){
- // summary:
- // Update the grid, retaining edit and scrolling states.
- this.render();
- },
-
- updateRow: function(inRowIndex){
- // summary:
- // Render a single row.
- // inRowIndex: Integer
- // Index of the row to render
- inRowIndex = Number(inRowIndex);
- if(this.updating){
- this.invalidated[inRowIndex]=true;
- }else{
- this.views.updateRow(inRowIndex, this.rows.getHeight(inRowIndex));
- this.scroller.rowHeightChanged(inRowIndex);
- }
- },
-
- updateRowCount: function(inRowCount){
- //summary:
- // Change the number of rows.
- // inRowCount: int
- // Number of rows in the grid.
- if(this.updating){
- this.invalidated.rowCount = inRowCount;
- }else{
- this.rowCount = inRowCount;
- if(this.layout.cells.length){
- this.scroller.updateRowCount(inRowCount);
- this.setScrollTop(this.scrollTop);
- }
- this._resize();
- }
- },
-
- updateRowStyles: function(inRowIndex){
- // summary:
- // Update the styles for a row after it's state has changed.
- this.views.updateRowStyles(inRowIndex);
- },
-
- rowHeightChanged: function(inRowIndex){
- // summary:
- // Update grid when the height of a row has changed. Row height is handled automatically as rows
- // are rendered. Use this function only to update a row's height outside the normal rendering process.
- // inRowIndex: Integer
- // index of the row that has changed height
-
- this.views.renormalizeRow(inRowIndex);
- this.scroller.rowHeightChanged(inRowIndex);
- },
-
- // fastScroll: Boolean
- // flag modifies vertical scrolling behavior. Defaults to true but set to false for slower
- // scroll performance but more immediate scrolling feedback
- fastScroll: true,
-
- delayScroll: false,
-
- // scrollRedrawThreshold: int
- // pixel distance a user must scroll vertically to trigger grid scrolling.
- scrollRedrawThreshold: (dojo.isIE ? 100 : 50),
-
- // scroll methods
- scrollTo: function(inTop){
- // summary:
- // Vertically scroll the grid to a given pixel position
- // inTop: Integer
- // vertical position of the grid in pixels
- if(!this.fastScroll){
- this.setScrollTop(inTop);
- return;
- }
- var delta = Math.abs(this.lastScrollTop - inTop);
- this.lastScrollTop = inTop;
- if(delta > this.scrollRedrawThreshold || this.delayScroll){
- this.delayScroll = true;
- this.scrollTop = inTop;
- this.views.setScrollTop(inTop);
- dojox.grid.jobs.job('dojoxGrid-scroll', 200, dojo.hitch(this, "finishScrollJob"));
- }else{
- this.setScrollTop(inTop);
- }
- },
-
- finishScrollJob: function(){
- this.delayScroll = false;
- this.setScrollTop(this.scrollTop);
- },
-
- setScrollTop: function(inTop){
- this.scrollTop = this.views.setScrollTop(inTop);
- this.scroller.scroll(this.scrollTop);
- },
-
- scrollToRow: function(inRowIndex){
- // summary:
- // Scroll the grid to a specific row.
- // inRowIndex: Integer
- // grid row index
- this.setScrollTop(this.scroller.findScrollTop(inRowIndex) + 1);
- },
-
- // styling (private, used internally to style individual parts of a row)
- styleRowNode: function(inRowIndex, inRowNode){
- if(inRowNode){
- this.rows.styleRowNode(inRowIndex, inRowNode);
- }
- },
-
- // cells
- getCell: function(inIndex){
- // summary:
- // Retrieves the cell object for a given grid column.
- // inIndex: Integer
- // Grid column index of cell to retrieve
- // returns:
- // a grid cell
- return this.layout.cells[inIndex];
- },
-
- setCellWidth: function(inIndex, inUnitWidth) {
- this.getCell(inIndex).unitWidth = inUnitWidth;
- },
-
- getCellName: function(inCell){
- // summary: Returns the cell name of a passed cell
- return "Cell " + inCell.index; // String
- },
-
- // sorting
- canSort: function(inSortInfo){
- // summary:
- // Determines if the grid can be sorted
- // inSortInfo: Integer
- // Sort information, 1-based index of column on which to sort, positive for an ascending sort
- // and negative for a descending sort
- // returns: Boolean
- // True if grid can be sorted on the given column in the given direction
- },
-
- sort: function(){
- },
-
- getSortAsc: function(inSortInfo){
- // summary:
- // Returns true if grid is sorted in an ascending direction.
- inSortInfo = inSortInfo == undefined ? this.sortInfo : inSortInfo;
- return Boolean(inSortInfo > 0); // Boolean
- },
-
- getSortIndex: function(inSortInfo){
- // summary:
- // Returns the index of the column on which the grid is sorted
- inSortInfo = inSortInfo == undefined ? this.sortInfo : inSortInfo;
- return Math.abs(inSortInfo) - 1; // Integer
- },
-
- setSortIndex: function(inIndex, inAsc){
- // summary:
- // Sort the grid on a column in a specified direction
- // inIndex: Integer
- // Column index on which to sort.
- // inAsc: Boolean
- // If true, sort the grid in ascending order, otherwise in descending order
- var si = inIndex +1;
- if(inAsc != undefined){
- si *= (inAsc ? 1 : -1);
- } else if(this.getSortIndex() == inIndex){
- si = -this.sortInfo;
- }
- this.setSortInfo(si);
- },
-
- setSortInfo: function(inSortInfo){
- if(this.canSort(inSortInfo)){
- this.sortInfo = inSortInfo;
- this.sort();
- this.update();
- }
- },
-
- // DOM event handler
- doKeyEvent: function(e){
- e.dispatch = 'do' + e.type;
- this.onKeyEvent(e);
- },
-
- // event dispatch
- //: protected
- _dispatch: function(m, e){
- if(m in this){
- return this[m](e);
- }
- },
-
- dispatchKeyEvent: function(e){
- this._dispatch(e.dispatch, e);
- },
-
- dispatchContentEvent: function(e){
- this.edit.dispatchEvent(e) || e.sourceView.dispatchContentEvent(e) || this._dispatch(e.dispatch, e);
- },
-
- dispatchHeaderEvent: function(e){
- e.sourceView.dispatchHeaderEvent(e) || this._dispatch('doheader' + e.type, e);
- },
-
- dokeydown: function(e){
- this.onKeyDown(e);
- },
-
- doclick: function(e){
- if(e.cellNode){
- this.onCellClick(e);
- }else{
- this.onRowClick(e);
- }
- },
-
- dodblclick: function(e){
- if(e.cellNode){
- this.onCellDblClick(e);
- }else{
- this.onRowDblClick(e);
- }
- },
-
- docontextmenu: function(e){
- if(e.cellNode){
- this.onCellContextMenu(e);
- }else{
- this.onRowContextMenu(e);
- }
- },
-
- doheaderclick: function(e){
- if(e.cellNode){
- this.onHeaderCellClick(e);
- }else{
- this.onHeaderClick(e);
- }
- },
-
- doheaderdblclick: function(e){
- if(e.cellNode){
- this.onHeaderCellDblClick(e);
- }else{
- this.onHeaderDblClick(e);
- }
- },
-
- doheadercontextmenu: function(e){
- if(e.cellNode){
- this.onHeaderCellContextMenu(e);
- }else{
- this.onHeaderContextMenu(e);
- }
- },
-
- // override to modify editing process
- doStartEdit: function(inCell, inRowIndex){
- this.onStartEdit(inCell, inRowIndex);
- },
-
- doApplyCellEdit: function(inValue, inRowIndex, inFieldIndex){
- this.onApplyCellEdit(inValue, inRowIndex, inFieldIndex);
- },
-
- doCancelEdit: function(inRowIndex){
- this.onCancelEdit(inRowIndex);
- },
-
- doApplyEdit: function(inRowIndex){
- this.onApplyEdit(inRowIndex);
- },
-
- // row editing
- addRow: function(){
- // summary:
- // Add a row to the grid.
- this.updateRowCount(this.rowCount+1);
- },
-
- removeSelectedRows: function(){
- // summary:
- // Remove the selected rows from the grid.
- this.updateRowCount(Math.max(0, this.rowCount - this.selection.getSelected().length));
- this.selection.clear();
- }
-
-});
-
-dojo.mixin(dojox.VirtualGrid.prototype, dojox.grid.publicEvents);
-
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-25 03:48:03 +0000