/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.grid.ColumnModel = function(A) {
	this.setConfig(A, true);
	this.defaultWidth = 100;
	this.defaultSortable = false;
	this.addEvents("widthchange", "headerchange", "hiddenchange",
			"columnmoved", "columnlockchange", "configchange");
	Ext.grid.ColumnModel.superclass.constructor.call(this)
};
Ext.extend(Ext.grid.ColumnModel, Ext.util.Observable, {
	getColumnId : function(A) {
		return this.config[A].id
	},
	setConfig : function(C, B) {
		if (!B) {
			delete this.totalWidth;
			for (var D = 0, A = this.config.length; D < A; D++) {
				var E = this.config[D];
				if (E.editor) {
					E.editor.destroy()
				}
			}
		}
		this.config = C;
		this.lookup = {};
		for (var D = 0, A = C.length; D < A; D++) {
			var E = C[D];
			if (typeof E.renderer == "string") {
				E.renderer = Ext.util.Format[E.renderer]
			}
			if (typeof E.id == "undefined") {
				E.id = D
			}
			if (E.editor && E.editor.isFormField) {
				E.editor = new Ext.grid.GridEditor(E.editor)
			}
			this.lookup[E.id] = E
		}
		if (!B) {
			this.fireEvent("configchange", this)
		}
	},
	getColumnById : function(A) {
		return this.lookup[A]
	},
	getIndexById : function(C) {
		for (var B = 0, A = this.config.length; B < A; B++) {
			if (this.config[B].id == C) {
				return B
			}
		}
		return -1
	},
	moveColumn : function(C, A) {
		var B = this.config[C];
		this.config.splice(C, 1);
		this.config.splice(A, 0, B);
		this.dataMap = null;
		this.fireEvent("columnmoved", this, C, A)
	},
	isLocked : function(A) {
		return this.config[A].locked === true
	},
	setLocked : function(B, C, A) {
		if (this.isLocked(B) == C) {
			return
		}
		this.config[B].locked = C;
		if (!A) {
			this.fireEvent("columnlockchange", this, B, C)
		}
	},
	getTotalLockedWidth : function() {
		var A = 0;
		for (var B = 0; B < this.config.length; B++) {
			if (this.isLocked(B) && !this.isHidden(B)) {
				this.totalWidth += this.getColumnWidth(B)
			}
		}
		return A
	},
	getLockedCount : function() {
		for (var B = 0, A = this.config.length; B < A; B++) {
			if (!this.isLocked(B)) {
				return B
			}
		}
	},
	getColumnCount : function(C) {
		if (C === true) {
			var D = 0;
			for (var B = 0, A = this.config.length; B < A; B++) {
				if (!this.isHidden(B)) {
					D++
				}
			}
			return D
		}
		return this.config.length
	},
	getColumnsBy : function(D, C) {
		var E = [];
		for (var B = 0, A = this.config.length; B < A; B++) {
			var F = this.config[B];
			if (D.call(C || this, F, B) === true) {
				E[E.length] = F
			}
		}
		return E
	},
	isSortable : function(A) {
		if (typeof this.config[A].sortable == "undefined") {
			return this.defaultSortable
		}
		return this.config[A].sortable
	},
	getRenderer : function(A) {
		if (!this.config[A].renderer) {
			return Ext.grid.ColumnModel.defaultRenderer
		}
		return this.config[A].renderer
	},
	setRenderer : function(A, B) {
		this.config[A].renderer = B
	},
	getColumnWidth : function(A) {
		return this.config[A].width || this.defaultWidth
	},
	setColumnWidth : function(B, C, A) {
		this.config[B].width = C;
		this.totalWidth = null;
		if (!A) {
			this.fireEvent("widthchange", this, B, C)
		}
	},
	getTotalWidth : function(B) {
		if (!this.totalWidth) {
			this.totalWidth = 0;
			for (var C = 0, A = this.config.length; C < A; C++) {
				if (B || !this.isHidden(C)) {
					this.totalWidth += this.getColumnWidth(C)
				}
			}
		}
		return this.totalWidth
	},
	getColumnHeader : function(A) {
		return this.config[A].header
	},
	setColumnHeader : function(A, B) {
		this.config[A].header = B;
		this.fireEvent("headerchange", this, A, B)
	},
	getColumnTooltip : function(A) {
		return this.config[A].tooltip
	},
	setColumnTooltip : function(A, B) {
		this.config[A].tooltip = B
	},
	getDataIndex : function(A) {
		return this.config[A].dataIndex
	},
	setDataIndex : function(A, B) {
		this.config[A].dataIndex = B
	},
	findColumnIndex : function(C) {
		var D = this.config;
		for (var B = 0, A = D.length; B < A; B++) {
			if (D[B].dataIndex == C) {
				return B
			}
		}
		return -1
	},
	isCellEditable : function(A, B) {
		return (this.config[A].editable || (typeof this.config[A].editable == "undefined" && this.config[A].editor))
				? true
				: false
	},
	getCellEditor : function(A, B) {
		return this.config[A].editor
	},
	setEditable : function(A, B) {
		this.config[A].editable = B
	},
	isHidden : function(A) {
		return this.config[A].hidden
	},
	isFixed : function(A) {
		return this.config[A].fixed
	},
	isResizable : function(A) {
		return A >= 0 && this.config[A].resizable !== false
				&& this.config[A].fixed !== true
	},
	setHidden : function(A, B) {
		var C = this.config[A];
		if (C.hidden !== B) {
			C.hidden = B;
			this.totalWidth = null;
			this.fireEvent("hiddenchange", this, A, B)
		}
	},
	setEditor : function(A, B) {
		this.config[A].editor = B
	}
});
Ext.grid.ColumnModel.defaultRenderer = function(A) {
	if (typeof A == "string" && A.length < 1) {
		return "&#160;"
	}
	return A
};
Ext.grid.DefaultColumnModel = Ext.grid.ColumnModel;