app/assets/javascripts/ext_extensions/RowEditor.js
/*!
* Ext JS Library 3.3.0
* Copyright(c) 2006-2010 Ext JS, Inc.
* licensing@extjs.com
* http://www.extjs.com/license
*/
Ext.ns('Ext.ux.grid');
/**
* @class Ext.ux.grid.RowEditor
* @extends Ext.Panel
* Plugin (ptype = 'roweditor') that adds the ability to rapidly edit full rows in a grid.
* A validation mode may be enabled which uses AnchorTips to notify the user of all
* validation errors at once.
*
* @ptype roweditor
*/
Ext.ux.grid.RowEditor = Ext.extend(Ext.Panel, {
floating: true,
shadow: false,
layout: 'hbox',
cls: 'x-small-editor',
buttonAlign: 'center',
baseCls: 'x-row-editor',
elements: 'header,footer,body',
frameWidth: 5,
buttonPad: 3,
clicksToEdit: 'auto',
monitorValid: true,
focusDelay: 250,
errorSummary: true,
saveText: 'Save',
cancelText: 'Cancel',
commitChangesText: 'You need to commit or cancel your changes',
errorText: 'Errors',
defaults: {
normalWidth: true
},
initComponent: function(){
Ext.ux.grid.RowEditor.superclass.initComponent.call(this);
this.addEvents(
/**
* @event beforeedit
* Fired before the row editor is activated.
* If the listener returns <tt>false</tt> the editor will not be activated.
* @param {Ext.ux.grid.RowEditor} roweditor This object
* @param {Number} rowIndex The rowIndex of the row just edited
*/
'beforeedit',
/**
* @event canceledit
* Fired when the editor is cancelled.
* @param {Ext.ux.grid.RowEditor} roweditor This object
* @param {Boolean} forced True if the cancel button is pressed, false is the editor was invalid.
*/
'canceledit',
/**
* @event validateedit
* Fired after a row is edited and passes validation.
* If the listener returns <tt>false</tt> changes to the record will not be set.
* @param {Ext.ux.grid.RowEditor} roweditor This object
* @param {Object} changes Object with changes made to the record.
* @param {Ext.data.Record} r The Record that was edited.
* @param {Number} rowIndex The rowIndex of the row just edited
*/
'validateedit',
/**
* @event afteredit
* Fired after a row is edited and passes validation. This event is fired
* after the store's update event is fired with this edit.
* @param {Ext.ux.grid.RowEditor} roweditor This object
* @param {Object} changes Object with changes made to the record.
* @param {Ext.data.Record} r The Record that was edited.
* @param {Number} rowIndex The rowIndex of the row just edited
*/
'afteredit'
);
},
init: function(grid){
this.grid = grid;
this.ownerCt = grid;
if(this.clicksToEdit === 2){
grid.on('rowdblclick', this.onRowDblClick, this);
}else{
grid.on('rowclick', this.onRowClick, this);
if(Ext.isIE){
grid.on('rowdblclick', this.onRowDblClick, this);
}
}
// stopEditing without saving when a record is removed from Store.
grid.getStore().on('remove', function() {
this.stopEditing(false);
},this);
grid.on({
scope: this,
keydown: this.onGridKey,
columnresize: this.verifyLayout,
columnmove: this.refreshFields,
reconfigure: this.refreshFields,
beforedestroy : this.beforedestroy,
destroy : this.destroy,
bodyscroll: {
buffer: 250,
fn: this.positionButtons
}
});
grid.getColumnModel().on('hiddenchange', this.verifyLayout, this, {delay:1});
grid.getView().on('refresh', this.stopEditing.createDelegate(this, []));
grid.getSelectionModel().on('beforerowselect', function(sm, rowIndex, keepExisting, record){
if(sm.getCount() > 0 && this.editing && this.isDirty()) return false;
return sm.getCount() == 0 || (sm.getCount() > 0 && this.isValid());
},this);
this.on('canceledit', function(editor, saveChanges) {
var s = grid.getSelectionModel().getSelected();
if(typeof s != "undefined") {
for(var i = 0; i < editor.items.items.length; i++) {
if(!editor.items.items[0].allowBlank) {
if(s.get(grid.store.fields.items[i].name) == "") {
grid.store.remove(s);
return;
}
}
}
for(i = 0; i < grid.store.fields.items.length; i++)
editor.items.items[i].setValue(s.get(grid.store.fields.items[i].name));
}
});
},
beforedestroy: function() {
this.stopMonitoring();
this.grid.getStore().un('remove', this.onStoreRemove, this);
this.stopEditing(false);
Ext.destroy(this.btns, this.tooltip);
},
refreshFields: function(){
this.initFields();
this.verifyLayout();
},
isDirty: function(){
var dirty;
this.items.each(function(f){
if(String(this.values[f.id]) !== String(f.getValue())){
dirty = true;
return false;
}
}, this);
return dirty;
},
startEditing: function(rowIndex, doFocus){
if(this.editing && this.isDirty()){
this.showTooltip(this.commitChangesText);
return;
}
if(Ext.isObject(rowIndex)){
rowIndex = this.grid.getStore().indexOf(rowIndex);
}
if(this.fireEvent('beforeedit', this, rowIndex) !== false){
this.editing = true;
var g = this.grid, view = g.getView(),
row = view.getRow(rowIndex),
record = g.store.getAt(rowIndex);
this.record = record;
this.rowIndex = rowIndex;
this.values = {};
if(!this.rendered){
this.render(view.getEditorParent());
}
var w = Ext.fly(row).getWidth();
this.setSize(w);
if(!this.initialized){
this.initFields();
}
var cm = g.getColumnModel(), fields = this.items.items, f, val;
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
val = this.preEditValue(record, cm.getDataIndex(i));
f = fields[i];
f.setValue(val, record);
this.values[f.id] = Ext.isEmpty(val) ? '' : val;
}
this.verifyLayout(true);
if(!this.isVisible()){
this.setPagePosition(Ext.fly(row).getXY());
} else{
this.el.setXY(Ext.fly(row).getXY(), {duration:0.15});
}
if(!this.isVisible()){
this.show().doLayout();
}
if(doFocus !== false){
this.doFocus.defer(this.focusDelay, this);
}
}
},
stopEditing : function(saveChanges){
this.editing = false;
if(!this.isVisible()){
return;
}
if(saveChanges === false || !this.isValid()){
this.hide();
this.fireEvent('canceledit', this, saveChanges === false);
return;
}
var changes = {},
r = this.record,
hasChange = false,
cm = this.grid.colModel,
fields = this.items.items;
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
if(!cm.isHidden(i)){
var dindex = cm.getDataIndex(i);
if(!Ext.isEmpty(dindex)){
var oldValue = r.data[dindex],
value = this.postEditValue(fields[i].getValue(), oldValue, r, dindex);
if(String(oldValue) !== String(value)){
changes[dindex] = value;
hasChange = true;
}
}
}
}
if(hasChange && this.fireEvent('validateedit', this, changes, r, this.rowIndex) !== false){
r.beginEdit();
Ext.iterate(changes, function(name, value){
r.set(name, value);
});
r.endEdit();
this.fireEvent('afteredit', this, changes, r, this.rowIndex);
}
this.hide();
},
verifyLayout: function(force){
if(this.el && (this.isVisible() || force === true)){
var row = this.grid.getView().getRow(this.rowIndex);
this.setSize(Ext.fly(row).getWidth(), Ext.isIE ? Ext.fly(row).getHeight() + 9 : undefined);
var cm = this.grid.colModel, fields = this.items.items;
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
if(!cm.isHidden(i)){
var adjust = 0;
if(i === (len - 1)){
adjust += 3; // outer padding
} else{
adjust += 1;
}
fields[i].show();
fields[i].setWidth(cm.getColumnWidth(i) - adjust);
} else{
fields[i].hide();
}
}
this.doLayout();
this.positionButtons();
}
},
slideHide : function(){
this.hide();
},
initFields: function(){
var cm = this.grid.getColumnModel(), pm = Ext.layout.ContainerLayout.prototype.parseMargins;
this.removeAll(false);
for(var i = 0, len = cm.getColumnCount(); i < len; i++){
var c = cm.getColumnAt(i),
ed = c.getEditor();
if(!ed){
ed = c.displayEditor || new Ext.form.DisplayField();
}
if(i == 0){
ed.margins = pm('0 1 2 1');
} else if(i == len - 1){
ed.margins = pm('0 0 2 1');
} else{
if (Ext.isIE) {
ed.margins = pm('0 0 2 0');
}
else {
ed.margins = pm('0 1 2 0');
}
}
ed.setWidth(cm.getColumnWidth(i));
ed.column = c;
if(ed.ownerCt !== this){
ed.on('focus', this.ensureVisible, this);
ed.on('specialkey', this.onKey, this);
}
this.insert(i, ed);
}
this.initialized = true;
},
onKey: function(f, e){
if(e.getKey() === e.ENTER){
this.stopEditing(true);
e.stopPropagation();
}
},
onGridKey: function(e){
if(e.getKey() === e.ENTER && !this.isVisible()){
var r = this.grid.getSelectionModel().getSelected();
if(r){
var index = this.grid.store.indexOf(r);
this.startEditing(index);
e.stopPropagation();
}
}
},
ensureVisible: function(editor){
if(this.isVisible()){
this.grid.getView().ensureVisible(this.rowIndex, this.grid.colModel.getIndexById(editor.column.id), true);
}
},
onRowClick: function(g, rowIndex, e){
if(this.isValid()) {
if(this.clicksToEdit == 'auto'){
var li = this.lastClickIndex;
this.lastClickIndex = rowIndex;
if(li != rowIndex && !this.isVisible()){
return;
}
}
this.startEditing(rowIndex, false);
this.doFocus.defer(this.focusDelay, this, [e.getPoint()]);
} else {
return false;
}
},
onRowDblClick: function(g, rowIndex, e){
this.startEditing(rowIndex, false);
this.doFocus.defer(this.focusDelay, this, [e.getPoint()]);
},
onRender: function(){
Ext.ux.grid.RowEditor.superclass.onRender.apply(this, arguments);
this.el.swallowEvent(['keydown', 'keyup', 'keypress']);
this.btns = new Ext.Panel({
baseCls: 'x-plain',
cls: 'x-btns',
elements:'body',
layout: 'table',
width: (this.minButtonWidth * 2) + (this.frameWidth * 2) + (this.buttonPad * 4), // width must be specified for IE
items: [{
ref: 'saveBtn',
itemId: 'saveBtn',
xtype: 'button',
text: this.saveText,
width: this.minButtonWidth,
handler: this.stopEditing.createDelegate(this, [true])
}, {
xtype: 'button',
text: this.cancelText,
width: this.minButtonWidth,
handler: this.stopEditing.createDelegate(this, [false])
}]
});
this.btns.render(this.bwrap);
},
afterRender: function(){
Ext.ux.grid.RowEditor.superclass.afterRender.apply(this, arguments);
this.positionButtons();
if(this.monitorValid){
this.startMonitoring();
}
},
onShow: function(){
if(this.monitorValid){
this.startMonitoring();
}
Ext.ux.grid.RowEditor.superclass.onShow.apply(this, arguments);
},
onHide: function(){
Ext.ux.grid.RowEditor.superclass.onHide.apply(this, arguments);
this.stopMonitoring();
this.grid.getView().focusRow(this.rowIndex);
},
positionButtons: function(){
if(this.btns){
var g = this.grid,
h = this.el.dom.clientHeight,
view = g.getView(),
scroll = view.scroller.dom.scrollLeft,
bw = this.btns.getWidth(),
width = Math.min(g.getWidth(), g.getColumnModel().getTotalWidth());
this.btns.el.shift({left: (width/2)-(bw/2)+scroll, top: h - 2, stopFx: true, duration:0.2});
}
},
// private
preEditValue : function(r, field){
var value = r.data[field];
return this.autoEncode && typeof value === 'string' ? Ext.util.Format.htmlDecode(value) : value;
},
// private
postEditValue : function(value, originalValue, r, field){
return this.autoEncode && typeof value == 'string' ? Ext.util.Format.htmlEncode(value) : value;
},
doFocus: function(pt){
if(this.isVisible()){
var index = 0,
cm = this.grid.getColumnModel(),
c;
if(pt){
index = this.getTargetColumnIndex(pt);
}
for(var i = index||0, len = cm.getColumnCount(); i < len; i++){
c = cm.getColumnAt(i);
if(!c.hidden && c.getEditor()){
c.getEditor().focus();
break;
}
}
}
},
getTargetColumnIndex: function(pt){
var grid = this.grid,
v = grid.view,
x = pt.left,
cms = grid.colModel.config,
i = 0,
match = false;
for(var len = cms.length, c; c = cms[i]; i++){
if(!c.hidden){
if(Ext.fly(v.getHeaderCell(i)).getRegion().right >= x){
match = i;
break;
}
}
}
return match;
},
startMonitoring : function(){
if(!this.bound && this.monitorValid){
this.bound = true;
Ext.TaskMgr.start({
run : this.bindHandler,
interval : this.monitorPoll || 200,
scope: this
});
}
},
stopMonitoring : function(){
this.bound = false;
if(this.tooltip){
this.tooltip.hide();
}
},
isValid: function(){
var valid = true;
if(this.isVisible())
this.items.each(function(f){
if(!f.isValid(true)){
valid = false;
return false;
}
});
return valid;
},
// private
bindHandler : function(){
if(!this.bound){
return false; // stops binding
}
var valid = this.isValid();
if(!valid && this.errorSummary){
this.showTooltip(this.getErrorText().join(''));
}
this.btns.saveBtn.setDisabled(!valid);
this.fireEvent('validation', this, valid);
},
lastVisibleColumn : function() {
var i = this.items.getCount() - 1,
c;
for(; i >= 0; i--) {
c = this.items.items[i];
if (!c.hidden) {
return c;
}
}
},
showTooltip: function(msg){
if (this.showToolTips !== true){
return;
}
var t = this.tooltip;
if(!t){
t = this.tooltip = new Ext.ToolTip({
maxWidth: 600,
cls: 'errorTip',
width: 300,
title: this.errorText,
autoHide: false,
anchor: 'left',
anchorToTarget: true,
mouseOffset: [40,0]
});
}
var v = this.grid.getView(),
top = parseInt(this.el.dom.style.top, 10),
scroll = v.scroller.dom.scrollTop,
h = this.el.getHeight();
if(top + h >= scroll){
t.initTarget(this.lastVisibleColumn().getEl());
if(!t.rendered){
t.show();
t.hide();
}
t.body.update(msg);
t.doAutoWidth(20);
t.show();
}else if(t.rendered){
t.hide();
}
},
getErrorText: function(){
var data = ['<ul>'];
this.items.each(function(f){
if(!f.isValid(true)){
data.push('<li>', f.getActiveError(), '</li>');
}
});
data.push('</ul>');
return data;
}
});
Ext.preg('roweditor', Ext.ux.grid.RowEditor);