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https://github.com/EGroupware/egroupware.git
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405 lines
10 KiB
JavaScript
405 lines
10 KiB
JavaScript
/**
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* EGroupware eTemplate2 - Split panel
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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 2013
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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.splitter;
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et2_core_baseWidget;
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*/
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/**
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* A container widget that accepts 2 children, and puts a resize bar between them.
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*
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* This is the etemplate2 implementation of the traditional split pane / split panel.
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* The split can be horizontal or vertical, and can be limited in size. You can also
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* turn on double-click docking to minimize one of the children.
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*
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* @see http://methvin.com/splitter/ Uses Splitter
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* @augments et2_DOMWidget
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*/
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var et2_split = et2_DOMWidget.extend([et2_IResizeable,et2_IPrint],
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{
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attributes: {
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"orientation": {
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"name": "Orientation",
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"description": "Horizontal or vertical (v or h)",
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"default": "v",
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"type": "string"
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},
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"outline": {
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"name": "Outline",
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"description": "Use a 'ghosted' copy of the splitbar and does not resize the panes until the mouse button is released. Reduces flickering or unwanted re-layout during resize",
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"default": false,
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"type": "boolean"
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},
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"dock_side": {
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"name": "Dock",
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"description": "Allow the user to 'Dock' the splitbar to one side of the splitter, essentially hiding one pane and using the entire splitter area for the other pane. One of leftDock, rightDock, topDock, bottomDock.",
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"default": et2_no_init,
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"type": "string"
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},
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"width": {
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"default": "100%"
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},
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// Not needed
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"overflow": {"ignore": true},
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"no_lang": {"ignore": true},
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"rows": {"ignore": true},
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"cols": {"ignore": true}
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},
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DOCK_TOLERANCE: 15,
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/**
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* Constructor
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*
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* @memberOf et2_split
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*/
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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_split');
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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(
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this.getParent().getDOMNode() || this.getInstanceManager().DOMContainer,
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this.div, 100
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);
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// Add something so we can see it - will be replaced if there's children
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this.left = $j("<div>Top / Left</div>").appendTo(this.div);
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this.right = $j("<div>Bottom / Right</div>").appendTo(this.div);
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// Deferred object so we can wait for children
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this.loading = jQuery.Deferred();
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// Flag to temporarily ignore resizing
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this.stop_resize = false;
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},
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destroy: function() {
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// Stop listening
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this.left.next().off("mouseup");
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// Destroy splitter, restore children
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this.div.trigger("destroy");
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// Destroy dynamic full-height
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this.dynheight.free();
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this._super.apply(this, arguments);
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// Remove placeholder children
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if(this._children.length == 0)
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{
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this.div.empty();
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}
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this.div.remove();
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},
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/**
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* Tap in here to check if we have real children, because all children should be created
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* by this point. If there are, replace the placeholders.
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*/
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loadFromXML: function() {
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this._super.apply(this, arguments);
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if(this._children.length > 0)
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{
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if(this._children[0])
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{
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this.left.detach();
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this.left = $j(this._children[0].getDOMNode(this._children[0]))
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.appendTo(this.div);
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}
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if(this._children[1])
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{
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this.right.detach();
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this.right = $j(this._children[1].getDOMNode(this._children[1]))
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.appendTo(this.div);
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}
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}
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// Nextmatches (and possibly other "full height" widgets) need to be adjusted
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// Trigger the dynamic height thing to re-initialize
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for(var i = 0; i < this._children.length; i++)
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{
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if(this._children[i].dynheight)
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{
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this._children[i].dynheight.outerNode = (i == 0 ? this.left : this.right);
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this._children[i].dynheight.initialized = false;
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}
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}
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},
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doLoadingFinished: function() {
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this._super.apply(this, arguments);
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// Use a timeout to give the children a chance to finish
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var self = this;
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window.setTimeout(function() {
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self._init_splitter();
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},1);
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// Not done yet, but widget will let you know
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return this.loading.promise();
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},
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/**
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* Initialize the splitter UI
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* Internal.
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*/
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_init_splitter: function() {
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if(!this.isAttached()) return;
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// Avoid trying to do anything while hidden - it ruins all the calculations
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// Try again in resize()
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if(!this.div.is(':visible')) return;
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var options = {
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type: this.orientation,
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dock: this.dock_side,
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splitterClass: "et2_split",
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outline: true,
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eventNamespace: '.et2_split.'+this.id,
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// Default sizes, in case the preference doesn't work
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// Splitter would normally just go to 50%, but our deferred loading
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// ruins sizing for it
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sizeTop: this.dynheight.outerNode.height() / 2,
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sizeLeft: this.dynheight.outerNode.width() / 2
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};
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// Check for position preference, load it in
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if(this.id)
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{
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var pref = this.egw().preference('splitter-size-' + this.id, this.egw().getAppName());
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if(pref)
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{
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if(this.orientation == "v" && pref['sizeLeft'] < this.dynheight.outerNode.width() ||
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this.orientation == "h" && pref['sizeTop'] < this.dynheight.outerNode.height())
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{
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options = $j.extend(options, pref);
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this.prefSize = pref[this.orientation == "v" ?'sizeLeft' : 'sizeTop'];
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}
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}
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}
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// Avoid double init
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if(this.div.hasClass(options.splitterClass))
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{
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this.div.trigger("destroy");
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}
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// Initialize splitter
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this.div.splitter(options);
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this.div.trigger('resize',[options.sizeTop || options.sizeLeft || 0]);
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// Start docked?
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if(options.dock)
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{
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if(options.dock == "bottomDock" && Math.abs(options.sizeTop - this.div.height()) < et2_split.DOCK_TOLERANCE ||
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options.dock == "topDock" && options.sizeTop == 0 ||
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!this.div.is(':visible') // Starting docked if hidden simplifies life when resizing
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)
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{
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this.dock();
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}
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}
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// Add icon to splitter bar
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var icon = "ui-icon-grip-"
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+ (this.dock_side ? "solid" : "dotted") + "-"
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+ (this.orientation == "h" ? "horizontal" : "vertical");
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$j(document.createElement("div"))
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.addClass("ui-icon")
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.addClass(icon)
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.appendTo(this.left.next());
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// Save preference when size changed
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if(this.id && this.egw().getAppName())
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{
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var self = this;
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this.left.on("resize"+options.eventNamespace, function(e) {
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// Force immediate layout, so proper layout & sizes are available
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// for resize(). Chrome defers layout, so current DOM node sizes
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// are not available to widgets if they ask.
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var display = this.style.display;
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this.style.display = 'none';
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this.offsetHeight;
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this.style.display = display;
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if(e.namespace == options.eventNamespace.substr(1) && !self.isDocked())
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{
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// Store current position in preferences
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var size = self.orientation == "v" ? {sizeLeft: self.left.width()} : {sizeTop: self.left.height()};
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self.prefSize = size[this.orientation == "v" ?'sizeLeft' : 'sizeTop'];
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self.egw().set_preference(self.egw().getAppName(), 'splitter-size-' + self.id, size);
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}
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// Ok, update children
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self.iterateOver(function(widget) {
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if(widget != self)
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{
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widget.resize();
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// Above forcing is not enough for Firefox, defer
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window.setTimeout(jQuery.proxy(function() {this.resize();},widget),200);
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}
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},self,et2_IResizeable);
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});
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}
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this.loading.resolve();
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},
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/**
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* Implement the et2_IResizable interface to resize
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*/
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resize: function() {
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// Avoid doing anything while hidden - check here, and init if needed
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if(this.div.children().length <= 2)
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{
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this._init_splitter();
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}
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if(this.dynheight && !this.stop_resize )
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{
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var old = {w: this.div.width(), h: this.div.height()};
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this.dynheight.update(function(w,h) {
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if(this.orientation == "v")
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{
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this.left.height(h);
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this.right.height(h);
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}
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if(this.orientation == "h")
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{
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this.left.width(w);
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this.right.width(w);
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if(this.isDocked()) {
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if(this.dock_side == "topDock")
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{
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this.right.height(h);
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this.left.height(0);
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}
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else
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{
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this.left.height(h);
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this.right.height(0);
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}
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}
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}
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if(w != old.w || h != old.h)
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{
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this.div.trigger('resize.et2_split.'+this.id, this.prefSize);
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}
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}, this);
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}
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},
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getDOMNode: function() {
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return this.div[0];
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},
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/**
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* Set splitter orientation
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*
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* @param orient String "v" or "h"
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*/
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set_orientation: function(orient) {
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this.orientation = orient;
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this._init_splitter();
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},
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/**
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* Set the side for docking
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*
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* @param dock String One of leftDock, rightDock, topDock, bottomDock
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*/
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set_dock_side: function(dock) {
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this.dock_side = dock;
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this._init_splitter();
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},
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/**
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* Turn on or off resizing while dragging
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*
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* @param outline boolean
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*/
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set_outline: function(outline) {
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this.outline = outline;
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this._init_splitter();
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},
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/**
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* If the splitter has a dock direction set, dock it.
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* Docking requires the dock attribute to be set.
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*/
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dock: function() {
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if(this.isDocked()) return;
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this.div.trigger("dock");
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},
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/**
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* If the splitter is docked, restore it to previous size
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* Docking requires the dock attribute to be set.
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*/
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undock: function() {
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this.div.trigger("undock");
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},
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/**
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* Determine if the splitter is docked
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* @return boolean
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*/
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isDocked: function() {
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var bar = $j('.splitter-bar',this.div);
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return bar.hasClass('splitter-bar-horizontal-docked') || bar.hasClass('splitter-bar-vertical-docked');
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},
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/**
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* Toggle the splitter's docked state.
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* Docking requires the dock attribute to be set.
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*/
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toggleDock: function() {
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this.div.trigger("toggleDock");
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},
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// Printing
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/**
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* Prepare for printing by stopping all the fuss
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*
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*/
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beforePrint: function() {
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// Resizing causes preference changes & relayouts. Don't do it.
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this.stop_resize = true;
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// Add the class, if needed
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this.div.addClass('print');
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// Don't return anything, just work normally
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},
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afterPrint: function() {
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this.div.removeClass('print');
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this.stop_resize = false;
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}
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});
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et2_register_widget(et2_split, ["split"]);
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