ext-override.js
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/**
* Project : AMDA-NG4
* Name : ext-override.js
* @file ext-override.js
* @brief patches for extjs
* @author elena (sencha support)
* @version $Id: ext-override.js 2345 2014-05-13 09:06:43Z elena $
*******************************************************************************
* FT Id : Date : Name - Description
*******************************************************************************
* : :16/06/2011 : elena - creation
*
*/
Ext.onReady(function () {
// Fix for #7096
Ext.override(Ext.dd.DragTracker, {
constrainModes: {
point: function (me, xy) {
var dr = me.dragRegion,
constrainTo = me.getConstrainRegion();
if (!constrainTo) {
return xy;
}
dr.x = dr.left = dr[0] = dr.right = xy[0];
dr.y = dr.top = dr[1] = dr.bottom = xy[1];
if (!me.gridBugFix)
dr.constrainTo(constrainTo);
return [dr.left, dr.top];
},
// Constrain the dragTarget to within the constrain region. Return the passed xy adjusted by the same delta.
dragTarget: function(me, xy) {
var s = me.startXY,
dr = me.startRegion.copy(),
constrainTo = me.getConstrainRegion(),
adjust;
// No constraint
if (!constrainTo) {
return xy;
}
// See where the passed XY would put the dragTarget if translated by the unconstrained offset.
// If it overflows, we constrain the passed XY to bring the potential
// region back within the boundary.
dr.translateBy(xy[0] - s[0], xy[1] - s[1]);
// Constrain the X coordinate by however much the dragTarget overflows
if (dr.right > constrainTo.right) {
xy[0] += adjust = (constrainTo.right - dr.right);
// overflowed the right
dr.left += adjust;
}
if (dr.left < constrainTo.left) {
xy[0] += (constrainTo.left - dr.left);
}
// overflowed the left
// Constrain the Y coordinate by however much the dragTarget overflows
if (dr.bottom > constrainTo.bottom) {
xy[1] += adjust = (constrainTo.bottom - dr.bottom);
// overflowed the bottom
dr.top += adjust;
}
if (dr.top < constrainTo.top) {
xy[1] += (constrainTo.top - dr.top);
}
// overflowed the top
return xy;
}
}
});
// for version 4.1.3 - corrected in 4.2.2
/*Ext.override(Ext.grid.RowNumberer, {
renderer: function(value, metaData, record, rowIdx, colIdx, store) {
var rowspan = this.rowspan;
if (rowspan){
metaData.tdAttr = 'rowspan="' + rowspan + '"';
}
metaData.tdCls = Ext.baseCSSPrefix + 'grid-cell-special';
return store.indexOf(record) + 1;
}
});*/
//TODO check if needed for version 4.1.3, 4.2.2
/*Ext.override(Ext.view.Table, {
onUpdate : function(store, record, operation, changedFieldNames) {
var me = this,
index,
newRow, oldRow,
oldCells, newCells, len, i,
columns, overItemCls,
isHovered, row;
if (me.rendered) {
index = me.store.indexOf(record);
columns = me.headerCt.getGridColumns();
overItemCls = me.overItemCls;
// If we have columns which may *need* updating (think lockable grid child with all columns either locked or unlocked)
// and the changed record is within our view, then update the view
if (columns.length && index > -1) {
newRow = me.bufferRender([record], index)[0];
oldRow = me.all.item(index);
if (oldRow){
isHovered = oldRow.hasCls(overItemCls);
oldRow.dom.className = newRow.className;
if(isHovered) {
oldRow.addCls(overItemCls);
}
// Replace changed cells in the existing row structure with the new version from the rendered row.
oldCells = oldRow.query(this.cellSelector);
newCells = Ext.fly(newRow).query(this.cellSelector);
len = newCells.length;
// row is the element that contains the cells. This will be a different element from oldRow when using a rowwrap feature
row = oldCells[0].parentNode;
for (i = 0; i < len; i++) {
// If the field at this column index was changed, replace the cell.
if (me.shouldUpdateCell(columns[i], changedFieldNames)) {
row.insertBefore(newCells[i], oldCells[i]);
row.removeChild(oldCells[i]);
}
}
}
// Maintain selection after update
// TODO: Move to approriate event handler.
me.selModel.refresh();
me.doStripeRows(index, index);
me.fireEvent('itemupdate', record, index, newRow);
}
}
}
});*/
//TODO check if needed for version 4.1.3, 4.2.2
/*Ext.override(Ext.ZIndexManager, {
tempHidden: [],
show: function() {
var comp, x, y;
while (comp = this.tempHidden.shift()) {
x = comp.x;
y = comp.y;
comp.show();
comp.setPosition(x,y);
}
}
});
Ext.override(Ext.selection.TreeModel, {
onRowClick: function (view, record, item, index, e) {
// Record index will be -1 if the clicked record is a metadata record and not selectable
if (index !== -1) {
if (!this.allowRightMouseSelection(e)) {
return ;
}
//Don't process if it's a right-click over a previously selected record.
// if (!(e.type === 'contextmenu' && this.isSelected(record))) {
this.processSelection(view, record, item, index, e);
// }
}
}
});
Ext.override(Ext.selection.Model, {
storeHasSelected: function(record) {
var store = this.store,
records,
len, id, i;
if (record.hasId() && store.getById(record.getId())) {
return true;
} else {
if (store.buffered) {//on buffered stores the map holds the data items
records = [];
for (m in store.data.map) {
records = records.concat(store.data.map[m].value);
}
} else {
records = store.data.items;
}
len = records.length;
id = record.internalId;
for (i = 0; i < len; ++i) {
if (id === records[i].internalId) {
return true;
}
}
}
return false;
}
});*/
});