GZ/nwyj/.svn/pristine/76/76890346d05cb3506a7231a9ae1f9454f5b947d3.svn-base

if (!dojo._hasResource["dojox.grid._grid.layout"]) { // _hasResource checks
														// added by build. Do
														// not use _hasResource
														// directly in your
														// code.
	dojo._hasResource["dojox.grid._grid.layout"] = true;
	dojo.provide("dojox.grid._grid.layout");
	dojo.require("dojox.grid._grid.cell");

	dojo.declare("dojox.grid.layout", null, {
				// summary:
				// Controls grid cell layout. Owned by grid and used internally.
				constructor : function(inGrid) {
					this.grid = inGrid;
				},
				// flat array of grid cells
				cells : null,
				// structured array of grid cells
				structure : null,
				// default cell width
				defaultWidth : '6em',
				// methods
				setStructure : function(inStructure) {
					this.fieldIndex = 0;
					this.cells = [];
					var s = this.structure = [];
					for (var i = 0, viewDef, rows; (viewDef = inStructure[i]); i++) {
						s.push(this.addViewDef(viewDef));
					}
					this.cellCount = this.cells.length;
				},
				addViewDef : function(inDef) {
					this._defaultCellProps = inDef.defaultCell || {};
					return dojo.mixin({}, inDef, {
								rows : this.addRowsDef(inDef.rows
										|| inDef.cells)
							});
				},
				addRowsDef : function(inDef) {
					var result = [];
					for (var i = 0, row; inDef && (row = inDef[i]); i++) {
						result.push(this.addRowDef(i, row));
					}
					return result;
				},
				addRowDef : function(inRowIndex, inDef) {
					var result = [];
					for (var i = 0, def, cell; (def = inDef[i]); i++) {
						cell = this.addCellDef(inRowIndex, i, def);
						result.push(cell);
						this.cells.push(cell);
					}
					return result;
				},
				addCellDef : function(inRowIndex, inCellIndex, inDef) {
					var w = 0;
					if (inDef.colSpan > 1) {
						w = 0;
					} else if (!isNaN(inDef.width)) {
						w = inDef.width + "em";
					} else {
						w = inDef.width || this.defaultWidth;
					}
					// fieldIndex progresses linearly from the last indexed
					// field
					// FIXME: support generating fieldIndex based a text field
					// name (probably in Grid)
					var fieldIndex = inDef.field != undefined
							? inDef.field
							: (inDef.get ? -1 : this.fieldIndex);
					if ((inDef.field != undefined) || !inDef.get) {
						this.fieldIndex = (inDef.field > -1
								? inDef.field
								: this.fieldIndex)
								+ 1;
					}
					return new dojox.grid.cell(dojo.mixin({},
									this._defaultCellProps, inDef, {
										grid : this.grid,
										subrow : inRowIndex,
										layoutIndex : inCellIndex,
										index : this.cells.length,
										fieldIndex : fieldIndex,
										unitWidth : w
									}));
				}
			});

}