Subversion Repositories Applications.papyrus

if(!dojo._hasResource["dojox.grid.Grid"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.

dojo._hasResource["dojox.grid.Grid"] = true;

dojo.provide("dojox.grid.Grid");

dojo.require("dojox.grid.VirtualGrid");

dojo.require("dojox.grid._data.model");

dojo.require("dojox.grid._data.editors");

dojo.declare('dojox.Grid', dojox.VirtualGrid, {

	//	summary:

	//		A grid widget with virtual scrolling, cell editing, complex rows,

	//		sorting, fixed columns, sizeable columns, etc.

	//	description:

	//		Grid is a subclass of VirtualGrid, providing binding to a data

	//		store.

	//	example:

	//		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: formatFunction }

	//	|			]

	//	|		]}

	//	|	];

	//

	//		define a grid data model

	//	|	var model = new dojox.grid.data.table(null, data);

	//	|

	//	|	<div id="grid" model="model" structure="structure"

	//	|		dojoType="dojox.VirtualGrid"></div>

	//

	//	model:

	//		string or object grid data model

	model: 'dojox.grid.data.Table',

	// life cycle

	postCreate: function(){

		if(this.model){

			var m = this.model;

			if(dojo.isString(m)){

				m = dojo.getObject(m);

			}

			this.model = (dojo.isFunction(m)) ? new m() : m;

			this._setModel(this.model);

		}

		this.inherited(arguments);

	},

	destroy: function(){

		this.setModel(null);

		this.inherited(arguments);

	},

	// structure

	_structureChanged: function() {

		this.indexCellFields();

		this.inherited(arguments);

	},

	// model

	_setModel: function(inModel){

		// if(!inModel){ return; }

		this.model = inModel;

		if(this.model){

			this.model.observer(this);

			this.model.measure();

			this.indexCellFields();

		}

	},

	setModel: function(inModel){

		// summary:

		//		set the grid's data model

		// inModel:

		//		model object, usually an instance of a dojox.grid.data.Model

		//		subclass

		if(this.model){

			this.model.notObserver(this);

		}

		this._setModel(inModel);

	},

	// data socket (called in cell's context)

	get: function(inRowIndex){

		return this.grid.model.getDatum(inRowIndex, this.fieldIndex);

	},

	// model modifications

	modelAllChange: function(){

		this.rowCount = (this.model ? this.model.getRowCount() : 0);

		this.updateRowCount(this.rowCount);

	},

	modelRowChange: function(inData, inRowIndex){

		this.updateRow(inRowIndex);

	},

	modelDatumChange: function(inDatum, inRowIndex, inFieldIndex){

		this.updateRow(inRowIndex);

	},

	modelFieldsChange: function() {

		this.indexCellFields();

		this.render();

	},

	// model insertion

	modelInsertion: function(inRowIndex){

		this.updateRowCount(this.model.getRowCount());

	},

	// model removal

	modelRemoval: function(inKeys){

		this.updateRowCount(this.model.getRowCount());

	},

	// cells

	getCellName: function(inCell){

		var v = this.model.fields.values, i = inCell.fieldIndex;

		return i>=0 && i<v.length && v[i].name || this.inherited(arguments);

	},

	indexCellFields: function(){

		var cells = this.layout.cells;

		for(var i=0, c; cells && (c=cells[i]); i++){

			if(dojo.isString(c.field)){

				c.fieldIndex = this.model.fields.indexOf(c.field);

			}

		}

	},

	// utility

	refresh: function(){

		// summary:

		//	re-render the grid, getting new data from the model

		this.edit.cancel();

		this.model.measure();

	},

	// sorting

	canSort: function(inSortInfo){

		var f = this.getSortField(inSortInfo);

		// 0 is not a valid sort field

		return f && this.model.canSort(f);

	},

	getSortField: function(inSortInfo){

		// summary:

		//	retrieves the model field on which to sort data.

		// inSortInfo: int

		//	1-based grid column index; positive if sort is ascending, otherwise negative

		var c = this.getCell(this.getSortIndex(inSortInfo));

		// we expect c.fieldIndex == -1 for non model fields

		// that yields a getSortField value of 0, which can be detected as invalid

		return (c.fieldIndex+1) * (this.sortInfo > 0 ? 1 : -1);

	},

	sort: function(){

		this.edit.apply();

		this.model.sort(this.getSortField());

	},

	// row editing

	addRow: function(inRowData, inIndex){

		this.edit.apply();

		var i = inIndex || -1;

		if(i<0){

			i = this.selection.getFirstSelected() || 0;

		}

		if(i<0){

			i = 0;

		}

		this.model.insert(inRowData, i);

		this.model.beginModifyRow(i);

		// begin editing row

		// FIXME: add to edit

		for(var j=0, c; ((c=this.getCell(j)) && !c.editor); j++){}

		if(c&&c.editor){

			this.edit.setEditCell(c, i);

		}

	},

	removeSelectedRows: function(){

		this.edit.apply();

		var s = this.selection.getSelected();

		if(s.length){

			this.model.remove(s);

			this.selection.clear();

		}

	},

	//: protected

	// editing

	canEdit: function(inCell, inRowIndex){

		// summary:

		//	determines if a given cell may be edited

		//	inCell: grid cell

		// inRowIndex: grid row index

		// returns: true if given cell may be edited

		return (this.model.canModify ? this.model.canModify(inRowIndex) : true);

	},

	doStartEdit: function(inCell, inRowIndex){

		var edit = this.canEdit(inCell, inRowIndex);

		if(edit){

			this.model.beginModifyRow(inRowIndex);

			this.onStartEdit(inCell, inRowIndex);

		}

		return edit;

	},

	doApplyCellEdit: function(inValue, inRowIndex, inFieldIndex){

		this.model.setDatum(inValue, inRowIndex, inFieldIndex);

		this.onApplyCellEdit(inValue, inRowIndex, inFieldIndex);

	},

	doCancelEdit: function(inRowIndex){

		this.model.cancelModifyRow(inRowIndex);

		this.onCancelEdit.apply(this, arguments);

	},

	doApplyEdit: function(inRowIndex){

		this.model.endModifyRow(inRowIndex);

		this.onApplyEdit(inRowIndex);

	},

	// Perform row styling

	styleRowState: function(inRow){

		if(this.model.getState){

			var states=this.model.getState(inRow.index), c='';

			for(var i=0, ss=["inflight", "error", "inserting"], s; s=ss[i]; i++){

				if(states[s]){

					c = ' dojoxGrid-row-' + s;

					break;

				}

			}

			inRow.customClasses += c;

		}

	},

	onStyleRow: function(inRow){

		this.styleRowState(inRow);

		this.inherited(arguments);

	},

	junk: 0

});

}