extjs/classic/classic/src/grid/locking/RowSynchronizer.js

   1 /**
   2  * @private
   3  */
   4 Ext.define('Ext.grid.locking.RowSynchronizer', {
   5     constructor: function (view, rowEl) {
   6         var me = this,
   7             rowTpl;
   8
   9         me.view = view;
  10         me.rowEl = rowEl;
  11         me.els = {};
  12
  13         me.add('data', view.rowSelector);
  14
  15         for (rowTpl = view.rowTpl; rowTpl; rowTpl = rowTpl.nextTpl) {
  16             if (rowTpl.beginRowSync) {
  17                 rowTpl.beginRowSync(me);
  18             }
  19         }
  20     },
  21
  22     add: function (name, selector) {
  23         var el = Ext.fly(this.rowEl).down(selector, true);
  24
  25         if (el) {
  26             this.els[name] = {
  27                 el: el
  28             };
  29         }
  30     },
  31
  32     finish: function (other) {
  33         var me = this,
  34             els = me.els,
  35             otherEls = other.els,
  36             otherEl,
  37             growth = 0,
  38             otherGrowth = 0,
  39             delta, name, otherHeight;
  40
  41         for (name in els) {
  42             otherEl = otherEls[name];
  43
  44             // Partnet RowSynchronizer may not have the element.
  45             // For example, group summary may not be wanted in locking side.
  46             otherHeight = otherEl ? otherEl.height : 0;
  47             delta = otherHeight - els[name].height;
  48
  49             if (delta > 0) {
  50                 growth += delta;
  51                 Ext.fly(els[name].el).setHeight(otherHeight);
  52             } else {
  53                 otherGrowth -= delta;
  54             }
  55         }
  56
  57         // Compare the growth to both rows and see if this row is lacking.
  58         otherHeight = other.rowHeight + otherGrowth;
  59
  60         //<feature legacyBrowser>
  61         // IE9 uses content box sizing on table, so height must not include border
  62         if (Ext.isIE9 && me.view.ownerGrid.rowLines) {
  63             otherHeight--;
  64         }
  65         //</feature>
  66
  67         if (me.rowHeight + growth < otherHeight) {
  68             Ext.fly(me.rowEl).setHeight(otherHeight);
  69         }
  70     },
  71
  72     measure: function () {
  73         var me = this,
  74             els = me.els,
  75             name;
  76
  77         me.rowHeight = me.rowEl.offsetHeight;
  78
  79         for (name in els) {
  80             els[name].height = els[name].el.offsetHeight;
  81         }
  82     },
  83
  84     reset: function () {
  85         var els = this.els,
  86             name;
  87
  88         this.rowEl.style.height = '';
  89
  90         for (name in els) {
  91             els[name].el.style.height = '';
  92         }
  93     }
  94 });