forked from extern/egroupware
172 lines
4.6 KiB
JavaScript
172 lines
4.6 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS Diff object
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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 Nathan Gray 2012
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* @version $Id$
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*/
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/*egw:uses
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jquery.jquery;
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jquery.jquery-ui;
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lib/jsdifflib/difflib;
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lib/jsdifflib/diffview;
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et2_core_valueWidget;
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*/
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/**
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* Class that displays the diff between two [text] values
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*
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* @augments et2_valueWidget
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*/
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var et2_diff = (function(){ "use strict"; return et2_valueWidget.extend([et2_IDetachedDOM],
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{
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attributes: {
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"value": {
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"type": "any"
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}
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},
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/**
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* Constructor
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*
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* @memberOf et2_diff
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*/
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init: function() {
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this._super.apply(this, arguments);
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this.mini = true;
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this.egw().includeCSS('etemplate/js/lib/jsdifflib/diffview.css');
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this.div = document.createElement("div");
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jQuery(this.div).addClass('diff');
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},
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set_value: function(value) {
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jQuery(this.div).empty();
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if(typeof value['old'] == 'string' && typeof value['new'] == 'string') {
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// Build diff
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var old_text = difflib.stringAsLines(value['old'].toString());
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var new_text = difflib.stringAsLines(value['new'].toString());
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var sm = new difflib.SequenceMatcher(old_text, new_text);
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var opcodes = sm.get_opcodes();
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var view = diffview.buildView({
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baseTextLines: old_text,
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newTextLines: new_text,
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opcodes: opcodes,
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baseTextName: '',//this.egw().lang('Old value'),
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newTextName: '',//this.egw().lang('New value'),
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viewType: 1
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});
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jQuery(this.div).append(view);
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if(this.mini) {
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view = jQuery(view);
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this.minify(view);
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var self = this;
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jQuery('<span class="ui-icon ui-icon-circle-plus"> </span>')
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.appendTo(self.div)
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.css("cursor", "pointer")
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.click({diff: view, div: self.div}, function(e) {
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var diff = e.data.diff;
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var div = e.data.div;
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self.un_minify(diff);
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var dialog_div = jQuery('<div>')
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.append(diff);
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dialog_div.dialog({
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title: self.options.label,
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width: 'auto',
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autoResize: true,
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modal: true,
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buttons: [{text: self.egw().lang('ok'), click: function() {jQuery(this).dialog("close");}}],
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close: function(event, ui) {
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// Need to destroy the dialog, etemplate widget needs divs back where they were
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dialog_div.dialog("destroy");
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self.minify(this);
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// Put it back where it came from, or et2 will error when clear() is called
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diff.prependTo(div);
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}
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});
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});
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}
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}
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else if(typeof value != 'object')
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{
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jQuery(this.div).append(value);
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}
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},
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set_label: function(_label) {
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this.options.label = _label;
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},
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/**
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* Make the diff into a mini-diff
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*/
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minify: function(view) {
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view = jQuery(view)
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.addClass('mini')
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// Dialog changes these, if resized
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.width('100%').css('height', 'inherit')
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.show();
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jQuery('th', view).hide();
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jQuery('td.equal',view).hide()
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.prevAll().hide();
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},
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un_minify: function(view) {
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jQuery(view).removeClass('mini').show();
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jQuery('th',view).show();
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jQuery('td.equal',view).show();
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},
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/**
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* Code for implementing et2_IDetachedDOM
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* Fast-clonable read-only widget that only deals with DOM nodes, not the widget tree
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*/
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/**
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* Build a list of attributes which can be set when working in the
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* "detached" mode in the _attrs array which is provided
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* by the calling code.
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*/
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getDetachedAttributes: function(_attrs) {
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_attrs.push("value", "label");
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},
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/**
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* Returns an array of DOM nodes. The (relativly) same DOM-Nodes have to be
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* passed to the "setDetachedAttributes" function in the same order.
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*/
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getDetachedNodes: function() {
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return [this.div];
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},
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/**
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* Sets the given associative attribute->value array and applies the
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* attributes to the given DOM-Node.
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*
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* @param _nodes is an array of nodes which has to be in the same order as
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* the nodes returned by "getDetachedNodes"
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* @param _values is an associative array which contains a subset of attributes
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* returned by the "getDetachedAttributes" function and sets them to the
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* given values.
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*/
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setDetachedAttributes: function(_nodes, _values) {
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this.div = _nodes[0];
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if(typeof _values['label'] != 'undefined')
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{
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this.set_label(_values['label']);
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}
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if(typeof _values['value'] != 'undefined')
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{
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this.set_value(_values['value']);
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}
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}
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});}).call(this);
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et2_register_widget(et2_diff, ["diff"]);
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