268 lines
8.7 KiB
JavaScript
268 lines
8.7 KiB
JavaScript
/**
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* jQuery org-chart/tree plugin.
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*
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* Author: Wes Nolte
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* http://twitter.com/wesnolte
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*
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* Based on the work of Mark Lee
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* http://www.capricasoftware.co.uk
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*
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* Copyright (c) 2011 Wesley Nolte
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* Dual licensed under the MIT and GPL licenses.
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*
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*/
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(function($) {
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$.fn.jOrgChart = function(options) {
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var opts = $.extend({}, $.fn.jOrgChart.defaults, options);
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var $appendTo = $(opts.chartElement);
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// build the tree
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var $this = $(this);
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var $container = $("<div class='" + opts.chartClass + "'/>");
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if($this.is("ul")) {
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buildNode($this.find("li:first"), $container, 0, opts);
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}
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else if($this.is("li")) {
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buildNode($this, $container, 0, opts);
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}
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$appendTo.append($container);
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// add drag and drop if enabled
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if(opts.dragAndDrop){
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$('div.node').draggable({
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cursor : 'move',
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distance : 40,
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helper : 'clone',
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opacity : 0.8,
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revert : true,
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revertDuration : 100,
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snap : 'div.node.expanded',
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snapMode : 'inner',
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stack : 'div.node'
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});
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$('div.node').droppable({
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accept : '.node',
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activeClass : 'drag-active',
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hoverClass : 'drop-hover'
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});
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// Drag start event handler for nodes
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$('div.node').bind("dragstart", function handleDragStart( event, ui ){
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var sourceNode = $(this);
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sourceNode.parentsUntil('.node-container')
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.find('*')
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.filter('.node')
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.droppable('disable');
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});
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// Drag stop event handler for nodes
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$('div.node').bind("dragstop", function handleDragStop( event, ui ){
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/* reload the plugin */
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$(opts.chartElement).children().remove();
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$this.jOrgChart(opts);
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});
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// Drop event handler for nodes
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$('div.node').bind("drop", function handleDropEvent( event, ui ) {
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var sourceNode = ui.draggable;
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var targetNode = $(this);
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// finding nodes based on plaintext and html
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// content is hard!
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var targetLi = $('li').filter(function(){
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li = $(this).clone()
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.children("ul,li")
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.remove()
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.end();
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var attr = li.attr('id');
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if (typeof attr !== 'undefined' && attr !== false) {
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return li.attr("id") == targetNode.attr("id");
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}
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else {
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return li.html() == targetNode.html();
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}
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});
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var sourceLi = $('li').filter(function(){
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li = $(this).clone()
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.children("ul,li")
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.remove()
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.end();
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var attr = li.attr('id');
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if (typeof attr !== 'undefined' && attr !== false) {
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return li.attr("id") == sourceNode.attr("id");
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}
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else {
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return li.html() == sourceNode.html();
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}
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});
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var sourceliClone = sourceLi.clone();
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var sourceUl = sourceLi.parent('ul');
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if(sourceUl.children('li').size() > 1){
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sourceLi.remove();
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}else{
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sourceUl.remove();
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}
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var id = sourceLi.attr("id");
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if(targetLi.children('ul').size() >0){
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if (typeof id !== 'undefined' && id !== false) {
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targetLi.children('ul').append('<li id="'+id+'">'+sourceliClone.html()+'</li>');
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}else{
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targetLi.children('ul').append('<li>'+sourceliClone.html()+'</li>');
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}
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}else{
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if (typeof id !== 'undefined' && id !== false) {
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targetLi.append('<ul><li id="'+id+'">'+sourceliClone.html()+'</li></ul>');
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}else{
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targetLi.append('<ul><li>'+sourceliClone.html()+'</li></ul>');
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}
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}
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}); // handleDropEvent
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} // Drag and drop
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};
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// Option defaults
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$.fn.jOrgChart.defaults = {
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chartElement : 'body',
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depth : -1,
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chartClass : "jOrgChart",
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dragAndDrop: false
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};
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// Method that recursively builds the tree
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function buildNode($node, $appendTo, level, opts) {
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var $table = $("<table cellpadding='0' cellspacing='0' border='0'/>");
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var $tbody = $("<tbody/>");
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// Construct the node container(s)
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var $nodeRow = $("<tr/>").addClass("node-cells");
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var $nodeCell = $("<td/>").addClass("node-cell").attr("colspan", 2);
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var $childNodes = $node.children("ul:first").children("li");
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var $nodeDiv;
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if($childNodes.length > 1) {
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$nodeCell.attr("colspan", $childNodes.length * 2);
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}
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// Draw the node
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// Get the contents - any markup except li and ul allowed
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var $nodeContent = $node.clone()
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.children("ul,li")
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.remove()
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.end()
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.html();
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var new_node_id = $node.attr("id");
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if (typeof new_node_id !== 'undefined' && new_node_id !== false) {
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$nodeDiv = $("<div>").addClass("node").attr("id", $node.attr("id")).append($nodeContent);
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}else{
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$nodeDiv = $("<div>").addClass("node").append($nodeContent);
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}
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// Expand and contract nodes
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if ($childNodes.length > 0) {
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$nodeDiv.click(function() {
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var $this = $(this);
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var $tr = $this.closest("tr");
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if($tr.hasClass('contracted')){
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$this.css('cursor','n-resize');
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$tr.removeClass('contracted').addClass('expanded');
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$tr.nextAll("tr").css('visibility', '');
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}else{
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$this.css('cursor','s-resize');
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$tr.removeClass('expanded').addClass('contracted');
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$tr.nextAll("tr").css('visibility', 'hidden');
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}
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});
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}
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$nodeCell.append($nodeDiv);
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$nodeRow.append($nodeCell);
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$tbody.append($nodeRow);
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if($childNodes.length > 0) {
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// if it can be expanded then change the cursor
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$nodeDiv.css('cursor','n-resize').addClass('expanded');
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// recurse until leaves found (-1) or to the level specified
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if(opts.depth == -1 || (level+1 < opts.depth)) {
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var $downLineRow = $("<tr/>");
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var $downLineCell = $("<td/>").attr("colspan", $childNodes.length*2);
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$downLineRow.append($downLineCell);
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// draw the connecting line from the parent node to the horizontal line
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var $downLine = $("<div></div>").addClass("line down");
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$downLineCell.append($downLine);
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$tbody.append($downLineRow);
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// Draw the horizontal lines
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var $linesRow = $("<tr/>");
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$childNodes.each(function() {
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var $left = $("<td> </td>").addClass("line left top");
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var $right = $("<td> </td>").addClass("line right top");
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$linesRow.append($left).append($right);
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});
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// horizontal line shouldn't extend beyond the first and last child branches
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$linesRow.find("td:first")
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.removeClass("top")
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.end()
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.find("td:last")
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.removeClass("top");
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$tbody.append($linesRow);
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var $childNodesRow = $("<tr/>");
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$childNodes.each(function() {
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var $td = $("<td class='node-container'/>");
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$td.attr("colspan", 2);
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// recurse through children lists and items
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buildNode($(this), $td, level+1, opts);
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$childNodesRow.append($td);
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});
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}
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$tbody.append($childNodesRow);
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}
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// any classes on the LI element get copied to the relevant node in the tree
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// apart from the special 'collapsed' class, which collapses the sub-tree at this point
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if ($node.attr('class') != undefined) {
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var classList = $node.attr('class').split(/\s+/);
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$.each(classList, function(index,item) {
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if (item == 'collapsed') {
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$nodeRow.nextAll('tr').css('display', 'none');
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$nodeRow.removeClass('expanded');
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$nodeRow.addClass('contracted');
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$nodeDiv.css('cursor','s-resize');
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} else {
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$nodeDiv.addClass(item);
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}
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});
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}
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$table.append($tbody);
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$appendTo.append($table);
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/* Prevent trees collapsing if a link inside a node is clicked */
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$nodeDiv.children('a').click(function(e){
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console.log(e);
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e.stopPropagation();
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});
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};
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})(jQuery);
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