114 lines
3.4 KiB
JavaScript
114 lines
3.4 KiB
JavaScript
/*!
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*
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* jquery.fancytree.wide.js
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* Support for 100% wide selection bars.
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* (Extension module for jquery.fancytree.js: https://github.com/mar10/fancytree/)
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*
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* Copyright (c) 2014, Martin Wendt (http://wwWendt.de)
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*
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* Released under the MIT license
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* https://github.com/mar10/fancytree/wiki/LicenseInfo
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*
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* @version 2.1.0
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* @date 2014-05-29T16:44
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*/
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;(function($, window, document, undefined) {
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"use strict";
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/*******************************************************************************
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* Private functions and variables
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*/
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// function _assert(cond, msg){
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// // TODO: see qunit.js extractStacktrace()
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// if(!cond){
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// msg = msg ? ": " + msg : "";
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// $.error("Assertion failed" + msg);
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// }
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// }
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/**
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* [ext-wide] Recalculate the width of the selection bar after the tree container
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* was resized.<br>
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* May be called explicitly on container resize, since there is no resize event
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* for DIV tags.
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*
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* @alias Fancytree#wideUpdate
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* @requires jquery.fancytree.wide.js
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*/
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$.ui.fancytree._FancytreeClass.prototype.wideUpdate = function(){
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var inst = this.ext.wide,
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prevCw = inst.contWidth,
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prevLo = inst.lineOfs;
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// http://blog.jquery.com/2012/08/16/jquery-1-8-box-sizing-width-csswidth-and-outerwidth/
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inst.contWidth = parseFloat(this.$container.css("width"), 10);
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// Each title is precceeded by 2 or 3 icons (16px + 3 margin)
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// + 1px title border and 3px title padding
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inst.lineOfs = (this.options.checkbox ? 3 : 2) * 19;
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if( prevCw !== inst.contWidth || prevLo !== inst.lineOfs ) {
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this.debug("wideUpdate: " + inst.contWidth);
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this.visit(function(node){
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node.tree._callHook("nodeRenderTitle", node);
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});
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}
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};
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/*******************************************************************************
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* Extension code
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*/
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$.ui.fancytree.registerExtension({
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name: "wide",
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version: "0.0.2",
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// Default options for this extension.
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options: {
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autoResize: true, // call wideUpdate() on window.resize events
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cheap: false, // true: use static css only
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margin: {left: 3, right: 3} // free margins near the selection bar
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},
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treeCreate: function(ctx){
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this.$container.addClass("fancytree-ext-wide");
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this._super(ctx);
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// http://blog.jquery.com/2012/08/16/jquery-1-8-box-sizing-width-csswidth-and-outerwidth/
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this._local.contWidth = parseFloat(ctx.tree.$container.css("width"), 10);
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// Every nested UL is indented by 16px
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// Each title is precceeded by 2 or 3 icons (16px + 3 margin)
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// + 1px title border and 3px title padding
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this._local.lineOfs = (ctx.options.checkbox ? 3 : 2) * 19;
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this._local.levelOfs = 16;
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this._local.titlePadding = 3;
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$(window).on("resize" + ctx.widget.eventNamespace, $.ui.fancytree.debounce(200, function(event){
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if( ctx.options.wide.autoResize && !ctx.options.wide.cheap ) {
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ctx.tree.wideUpdate();
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}
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}));
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},
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treeDestroy: function(ctx){
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$(window).off("resize" + ctx.widget.eventNamespace);
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this._super(ctx);
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},
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nodeRenderTitle: function(ctx) {
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var ofs, res, margin,
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instOpts = ctx.options.wide,
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inst = this._local,
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cw = inst.contWidth,
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node = ctx.node;
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res = this._super(ctx);
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if( !instOpts.cheap ) {
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margin = instOpts.margin;
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ofs = (node.getLevel() - 1) * inst.levelOfs + inst.lineOfs;
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$(node.span).find(".fancytree-title").css({
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width: cw - margin.left - margin.right - ofs,
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marginLeft: -ofs + margin.left,
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paddingLeft: +ofs - margin.left + inst.titlePadding,
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paddingRight: inst.titlePadding
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});
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}
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return res;
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}
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});
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}(jQuery, window, document));
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