forked from extern/egroupware
358 lines
9.9 KiB
JavaScript
358 lines
9.9 KiB
JavaScript
/**
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* eGroupWare eTemplate2 - JS History log
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @copyright 2012 Nathan Gray
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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jquery.jquery;
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jquery.jquery-ui;
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et2_core_valueWidget;
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// Include the grid classes
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et2_dataview;
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*/
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/**
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* eTemplate history log widget displays a list of changes to the current record.
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* The widget is encapsulated, and only needs the record's ID, and a map of
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* fields:widgets for display.
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*
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* It defers its initialization until the tab that it's on is selected, to avoid
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* wasting time if the user never looks at it.
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*/
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var et2_historylog = et2_valueWidget.extend([et2_IDataProvider],{
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columns: [
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{'id': 'user_ts', caption: 'Date', 'width': '120px', widget_type: 'date-time'},
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{'id': 'owner', caption: 'User', 'width': '150px', widget_type: 'select-account'},
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{'id': 'status', caption: 'Changed', 'width': '120px', widget_type: 'select'},
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{'id': 'new_value', caption: 'New Value'},
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{'id': 'old_value', caption: 'Old Value'}
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],
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TIMESTAMP: 0, OWNER: 1, FIELD: 2, NEW_VALUE: 3, OLD_VALUE: 4,
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init: function() {
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this._super.apply(this, arguments);
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this.div = $j(document.createElement("div"))
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.addClass("et2_historylog");
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this.innerDiv = $j(document.createElement("div"))
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.appendTo(this.div);
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},
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doLoadingFinished: function() {
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this._super.apply(this, arguments);
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// Find the tab widget, if there is one
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var tabs = this;
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do {
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tabs = tabs._parent;
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} while (tabs != this.getRoot() && tabs._type != 'tabbox');
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if(tabs != this.getRoot())
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{
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// Find the tab index
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for(var i = 0; i < tabs.tabData.length; i++)
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{
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// Find the tab
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if(tabs.tabData[i].contentDiv.has(this.div).length)
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{
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// Bind the action to when the tab is selected
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var handler = function(e) {
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e.data.div.unbind("click.history");
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e.data.history.finishInit();
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e.data.history.dynheight.update(function(_w, _h) {
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e.data.history.dataview.resize(_w, _h);
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});
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};
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tabs.tabData[i].flagDiv.bind("click.history",{"history": this, div: tabs.tabData[i].flagDiv}, handler);
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break;
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}
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}
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}
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else
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{
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this.finishInit();
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}
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},
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/**
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* Finish initialization which was skipped until tab was selected
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*/
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finishInit: function() {
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this._filters = {
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record_id: this.options.value.id,
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appname: this.options.value.app,
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get_rows: 'historylog::get_rows'
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};
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// Create the dynheight component which dynamically scales the inner
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// container.
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this.dynheight = new et2_dynheight(this.egw().window,
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this.innerDiv, 250
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);
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// Create the outer grid container
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this.dataview = new et2_dataview(this.innerDiv, this.egw());
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this.dataview.setColumns(jQuery.extend(true, [],this.columns));
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// Create widgets for columns that stay the same, and set up varying widgets
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this.createWidgets();
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// Create the gridview controller
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var linkCallback = function() {};
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this.controller = new et2_dataview_controller(null, this.dataview.grid,
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this, this.rowCallback, linkCallback, this,
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null
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);
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// Trigger the initial update
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this.controller.update();
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// Write something inside the column headers
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for (var i = 0; i < this.columns.length; i++)
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{
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$j(this.dataview.getHeaderContainerNode(i)).text(this.columns[i].caption);
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}
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// Register a resize callback
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var self = this;
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$j(window).resize(function() {
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self.dynheight.update(function(_w, _h) {
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self.dataview.resize(_w, _h);
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});
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});
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},
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/**
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* Destroys all
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*/
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destroy: function() {
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// Free the widgets
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for(var i = 0; i < this.columns.length; i++)
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{
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if(this.columns[i].widget) this.columns[i].widget.destroy();
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}
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for(var key in this.fields)
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{
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this.fields[key].widget.destroy();
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}
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if(this.diff) this.diff.widget.destroy();
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// Free the grid components
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if(this.dataview) this.dataview.free();
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if(this.rowProvider) this.rowProvider.free();
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if(this.controller) this.controller.free();
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if(this.dynheight) this.dynheight.free();
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this._super.apply(this, arguments);
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},
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createWidgets: function() {
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// Constant widgets - first 3 columns
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for(var i = 0; i < this.columns.length; i++)
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{
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if(this.columns[i].widget_type)
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{
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var attrs = {'readonly': true, 'id': this.columns[i].id};
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this.columns[i].widget = et2_createWidget(this.columns[i].widget_type, attrs, this);
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this.columns[i].widget.transformAttributes(attrs);
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this.columns[i].nodes = $j(this.columns[i].widget.getDetachedNodes());
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}
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}
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// Add in handling for links
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if(typeof this.options.value['status-widgets']['~link~'] == 'undefined')
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{
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this.columns[2].widget.optionValues['~link~'] = this.egw().lang('link');
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this.options.value['status-widgets']['~link~'] = 'link';
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}
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// Per-field widgets - new value & old value
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this.fields = {};
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// Custom fields - Need to create one that's all read-only for proper display
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var labels = {};
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var cf_widget = et2_createWidget('customfields', {'readonly':true}, this);
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cf_widget.loadFields();
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// Override this or it may damage the real values
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cf_widget.getValue = function() {return null;};
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for(var key in cf_widget.widgets)
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{
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// Add label
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labels[cf_widget.prefix + key] = cf_widget.options.customfields[key].label;
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// If it doesn't support detached nodes, just treat it as text
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if(cf_widget.widgets[key].getDetachedNodes)
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{
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var nodes = cf_widget.widgets[key].getDetachedNodes();
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for(var i = 0; i < nodes.length; i++)
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{
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if(nodes[i] == null) nodes.splice(i,1);
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}
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this.fields[cf_widget.prefix + key] = {
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attrs: cf_widget.widgets[key].options,
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widget: cf_widget.widgets[key],
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nodes: jQuery(nodes)
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};
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}
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}
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// Add all cf labels
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this.columns[this.FIELD].widget.set_select_options(labels);
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// From app
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for(var key in this.options.value['status-widgets'])
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{
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var field = this.options.value['status-widgets'][key];
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var attrs = {'readonly': true, 'id': key};
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if(typeof field == 'object') attrs['select-options'] = field;
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var widget = et2_createWidget(typeof field == 'string' ? field : 'select', attrs, this);
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widget.transformAttributes(attrs);
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this.fields[key] = {
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attrs: attrs,
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widget: widget,
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nodes: jQuery(widget.getDetachedNodes())
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};
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}
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// Widget for text diffs
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var diff = et2_createWidget('diff', {}, this);
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this.diff = {
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widget: diff,
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nodes: jQuery(diff.getDetachedNodes())
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};
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},
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getDOMNode: function(_sender) {
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if (_sender == this)
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{
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return this.div[0];
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}
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for (var i = 0; i < this.columns.length; i++)
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{
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if (_sender == this.columns[i].widget)
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{
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return this.dataview.getHeaderContainerNode(i);
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}
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}
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return null;
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},
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dataFetch: function (_queriedRange, _callback, _context) {
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// Pass the fetch call to the API
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this.egw().dataFetch(
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this.getInstanceManager().etemplate_exec_id,
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_queriedRange,
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this._filters,
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this.id,
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_callback,
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_context
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);
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},
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// Needed by interface
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dataRegisterUID: function (_uid, _callback, _context) {
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this.egw().dataRegisterUID(_uid, _callback, _context, this.getInstanceManager().etemplate_exec_id,
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this.id);
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},
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dataUnregisterUID: function (_uid, _callback, _context) {
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// Needed by interface
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},
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/**
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* The row callback gets called by the gridview controller whenever
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* the actual DOM-Nodes for a node with the given data have to be
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* created.
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*/
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rowCallback: function(_data, _row, _idx, _entry) {
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var tr = _row.getDOMNode();
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jQuery(tr).attr("valign","top");
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var row = this.dataview.rowProvider.getPrototype("default");
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var self = this;
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$j("div", row).each(function (i) {
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var nodes = [];
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var widget = self.columns[i].widget;
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if(typeof widget == 'undefined' && typeof self.fields[_data.status] != 'undefined')
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{
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nodes = self.fields[_data.status].nodes.clone();
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widget = self.fields[_data.status].widget;
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}
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else if (widget)
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{
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nodes = self.columns[i].nodes.clone();
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}
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else if (self._needsDiffWidget(_data['status'], _data[self.columns[self.OLD_VALUE].id]) ||
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self._needsDiffWidget(_data['status'], _data[self.columns[self.NEW_VALUE].id]))
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{
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// Large text value - span both columns, and show a nice diff
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var jthis = jQuery(this);
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if(i == 3)
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{
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// Diff widget
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widget = self.diff.widget;
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nodes = self.diff.nodes.clone();
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_data[self.columns[i].id] = {
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'old': _data[self.columns[i+1].id],
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'new': _data[self.columns[i].id]
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};
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// Skip column 4
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jthis.parents("td").attr("colspan", 2)
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.css("border-right", "none");
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jthis.css("width", (self.dataview.columnMgr.columnWidths[i] + self.dataview.columnMgr.columnWidths[i+1]-10)+'px');
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if(widget) widget.setDetachedAttributes(nodes, {
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value:_data[self.columns[i].id],
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label: jthis.parents("td").prev().text()
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});
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// Skip column 4
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jthis.parents("td").next().remove();
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}
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}
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else
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{
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// No widget fallback - display actual value
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nodes = '<span>'+_data[self.columns[i].id] + '</span>';
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}
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if(widget) widget.setDetachedAttributes(nodes, {value:_data[self.columns[i].id]});
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$j(this).append(nodes);
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});
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$j(tr).append(row.children());
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return tr;
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},
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/**
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* How to tell if the row needs a diff widget or not
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*/
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_needsDiffWidget: function(columnName, value) {
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if(typeof value !== "string")
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{
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this.egw().debug("warning", "Crazy diff value", value);
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return false;
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}
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return columnName == 'note' || columnName == 'description' || (value && (value.length > 50 || value.match(/\n/g)))
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},
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});
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et2_register_widget(et2_historylog, ['historylog']);
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