git.roojs.org Git - roojs1/blob - Roo/grid/AbstractGridView.js

   1 /*
   2  * Based on:
   3  * Ext JS Library 1.1.1
   4  * Copyright(c) 2006-2007, Ext JS, LLC.
   5  *
   6  * Originally Released Under LGPL - original licence link has changed is not relivant.
   7  *
   8  * Fork - LGPL
   9  * <script type="text/javascript">
  10  */
  11  /**
  12  * @class Roo.grid.AbstractGridView
  13  * @extends Roo.util.Observable
  14  * @abstract
  15  * Abstract base class for grid Views
  16  * @constructor
  17  */
  18 Roo.grid.AbstractGridView = function(){
  19         this.grid = null;
  20
  21         this.events = {
  22             "beforerowremoved" : true,
  23             "beforerowsinserted" : true,
  24             "beforerefresh" : true,
  25             "rowremoved" : true,
  26             "rowsinserted" : true,
  27             "rowupdated" : true,
  28             "refresh" : true
  29         };
  30     Roo.grid.AbstractGridView.superclass.constructor.call(this);
  31 };
  32
  33 Roo.extend(Roo.grid.AbstractGridView, Roo.util.Observable, {
  34     rowClass : "x-grid-row",
  35     cellClass : "x-grid-cell",
  36     tdClass : "x-grid-td",
  37     hdClass : "x-grid-hd",
  38     splitClass : "x-grid-hd-split",
  39
  40     init: function(grid){
  41         this.grid = grid;
  42                 var cid = this.grid.getGridEl().id;
  43         this.colSelector = "#" + cid + " ." + this.cellClass + "-";
  44         this.tdSelector = "#" + cid + " ." + this.tdClass + "-";
  45         this.hdSelector = "#" + cid + " ." + this.hdClass + "-";
  46         this.splitSelector = "#" + cid + " ." + this.splitClass + "-";
  47         },
  48
  49     getColumnRenderers : function(){
  50         var renderers = [];
  51         var cm = this.grid.colModel;
  52         var colCount = cm.getColumnCount();
  53         for(var i = 0; i < colCount; i++){
  54             renderers[i] = cm.getRenderer(i);
  55         }
  56         return renderers;
  57     },
  58
  59     getColumnIds : function(){
  60         var ids = [];
  61         var cm = this.grid.colModel;
  62         var colCount = cm.getColumnCount();
  63         for(var i = 0; i < colCount; i++){
  64             ids[i] = cm.getColumnId(i);
  65         }
  66         return ids;
  67     },
  68
  69     getDataIndexes : function(){
  70         if(!this.indexMap){
  71             this.indexMap = this.buildIndexMap();
  72         }
  73         return this.indexMap.colToData;
  74     },
  75
  76     getColumnIndexByDataIndex : function(dataIndex){
  77         if(!this.indexMap){
  78             this.indexMap = this.buildIndexMap();
  79         }
  80         return this.indexMap.dataToCol[dataIndex];
  81     },
  82
  83     /**
  84      * Set a css style for a column dynamically.
  85      * @param {Number} colIndex The index of the column
  86      * @param {String} name The css property name
  87      * @param {String} value The css value
  88      */
  89     setCSSStyle : function(colIndex, name, value){
  90         var selector = "#" + this.grid.id + " .x-grid-col-" + colIndex;
  91         Roo.util.CSS.updateRule(selector, name, value);
  92     },
  93
  94     generateRules : function(cm){
  95         var ruleBuf = [], rulesId = this.grid.id + '-cssrules';
  96         Roo.util.CSS.removeStyleSheet(rulesId);
  97         for(var i = 0, len = cm.getColumnCount(); i < len; i++){
  98             var cid = cm.getColumnId(i);
  99             ruleBuf.push(this.colSelector, cid, " {\n", cm.config[i].css, "}\n",
 100                          this.tdSelector, cid, " {\n}\n",
 101                          this.hdSelector, cid, " {\n}\n",
 102                          this.splitSelector, cid, " {\n}\n");
 103         }
 104         return Roo.util.CSS.createStyleSheet(ruleBuf.join(""), rulesId);
 105     }
 106 });