/*
* jQuery treegrid Plugin 0.3.0
* https://github.com/maxazan/jquery-treegrid
*
* Copyright 2013, Pomazan Max
* Licensed under the MIT licenses.
*/
(function($) {
var methods = {
/**
* Initialize tree
*
* @param {Object} options
* @returns {Object[]}
*/
initTree: function(options) {
var settings = $.extend({}, this.treegrid.defaults, options);
return this.each(function() {
var $this = $(this);
$this.treegrid('setTreeContainer', $(this));
$this.treegrid('setSettings', settings);
settings.getRootNodes.apply(this, [$(this)]).treegrid('initNode', settings);
$this.treegrid('getRootNodes').treegrid('render');
});
},
/**
* Initialize node
*
* @param {Object} settings
* @returns {Object[]}
*/
initNode: function(settings) {
return this.each(function() {
var $this = $(this);
$this.treegrid('setTreeContainer', settings.getTreeGridContainer.apply(this));
$this.treegrid('getChildNodes').treegrid('initNode', settings);
$this.treegrid('initExpander').treegrid('initIndent').treegrid('initEvents').treegrid('initState').treegrid('initChangeEvent').treegrid("initSettingsEvents");
});
},
initChangeEvent: function() {
var $this = $(this);
//Save state on change
$this.on("change", function() {
var $this = $(this);
$this.treegrid('render');
if ($this.treegrid('getSetting', 'saveState')) {
$this.treegrid('saveState');
}
});
return $this;
},
/**
* Initialize node events
*
* @returns {Node}
*/
initEvents: function() {
var $this = $(this);
//Default behavior on collapse
$this.on("collapse", function() {
var $this = $(this);
$this.removeClass('treegrid-expanded');
$this.addClass('treegrid-collapsed');
});
//Default behavior on expand
$this.on("expand", function() {
var $this = $(this);
$this.removeClass('treegrid-collapsed');
$this.addClass('treegrid-expanded');
});
return $this;
},
/**
* Initialize events from settings
*
* @returns {Node}
*/
initSettingsEvents: function() {
var $this = $(this);
//Save state on change
$this.on("change", function() {
var $this = $(this);
if (typeof($this.treegrid('getSetting', 'onChange')) === "function") {
$this.treegrid('getSetting', 'onChange').apply($this);
}
});
//Default behavior on collapse
$this.on("collapse", function() {
var $this = $(this);
if (typeof($this.treegrid('getSetting', 'onCollapse')) === "function") {
$this.treegrid('getSetting', 'onCollapse').apply($this);
}
});
//Default behavior on expand
$this.on("expand", function() {
var $this = $(this);
if (typeof($this.treegrid('getSetting', 'onExpand')) === "function") {
$this.treegrid('getSetting', 'onExpand').apply($this);
}
});
return $this;
},
/**
* Initialize expander for node
*
* @returns {Node}
*/
initExpander: function() {
var $this = $(this);
var cell = $this.find('td').get($this.treegrid('getSetting', 'treeColumn'));
var tpl = $this.treegrid('getSetting', 'expanderTemplate');
var expander = $this.treegrid('getSetting', 'getExpander').apply(this);
if (expander) {
expander.remove();
}
$(tpl).prependTo(cell).click(function() {
$($(this).closest('tr')).treegrid('toggle');
});
return $this;
},
/**
* Initialize indent for node
*
* @returns {Node}
*/
initIndent: function() {
var $this = $(this);
$this.find('.treegrid-indent').remove();
var tpl = $this.treegrid('getSetting', 'indentTemplate');
var expander = $this.find('.treegrid-expander');
var depth = $this.treegrid('getDepth');
for (var i = 0; i < depth; i++) {
$(tpl).insertBefore(expander);
}
return $this;
},
/**
* Initialise state of node
*
* @returns {Node}
*/
initState: function() {
var $this = $(this);
if ($this.treegrid('getSetting', 'saveState') && !$this.treegrid('isFirstInit')) {
$this.treegrid('restoreState');
} else {
if ($this.treegrid('getSetting', 'initialState') === "expanded") {
$this.treegrid('expand');
} else {
$this.treegrid('collapse');
}
}
return $this;
},
/**
* Return true if this tree was never been initialised
*
* @returns {Boolean}
*/
isFirstInit: function() {
var tree = $(this).treegrid('getTreeContainer');
if (tree.data('first_init') === undefined) {
tree.data('first_init', $.cookie(tree.treegrid('getSetting', 'saveStateName')) === undefined);
}
return tree.data('first_init');
},
/**
* Save state of current node
*
* @returns {Node}
*/
saveState: function() {
var $this = $(this);
if ($this.treegrid('getSetting', 'saveStateMethod') === 'cookie') {
var stateArrayString = $.cookie($this.treegrid('getSetting', 'saveStateName')) || '';
var stateArray = (stateArrayString === '' ? [] : stateArrayString.split(','));
var nodeId = $this.treegrid('getNodeId');
if ($this.treegrid('isExpanded')) {
if ($.inArray(nodeId, stateArray) === -1) {
stateArray.push(nodeId);
}
} else if ($this.treegrid('isCollapsed')) {
if ($.inArray(nodeId, stateArray) !== -1) {
stateArray.splice($.inArray(nodeId, stateArray), 1);
}
}
$.cookie($this.treegrid('getSetting', 'saveStateName'), stateArray.join(','));
}
return $this;
},
/**
* Restore state of current node.
*
* @returns {Node}
*/
restoreState: function() {
var $this = $(this);
if ($this.treegrid('getSetting', 'saveStateMethod') === 'cookie') {
var stateArray = $.cookie($this.treegrid('getSetting', 'saveStateName')).split(',');
if ($.inArray($this.treegrid('getNodeId'), stateArray) !== -1) {
$this.treegrid('expand');
} else {
$this.treegrid('collapse');
}
}
return $this;
},
/**
* Method return setting by name
*
* @param {type} name
* @returns {unresolved}
*/
getSetting: function(name) {
if (!$(this).treegrid('getTreeContainer')) {
return null;
}
return $(this).treegrid('getTreeContainer').data('settings')[name];
},
/**
* Add new settings
*
* @param {Object} settings
*/
setSettings: function(settings) {
$(this).treegrid('getTreeContainer').data('settings', settings);
},
/**
* Return tree container
*
* @returns {HtmlElement}
*/
getTreeContainer: function() {
return $(this).data('treegrid');
},
/**
* Set tree container
*
* @param {HtmlE;ement} container
*/
setTreeContainer: function(container) {
return $(this).data('treegrid', container);
},
/**
* Method return all root nodes of tree.
*
* Start init all child nodes from it.
*
* @returns {Array}
*/
getRootNodes: function() {
return $(this).treegrid('getSetting', 'getRootNodes').apply(this, [$(this).treegrid('getTreeContainer')]);
},
/**
* Method return all nodes of tree.
*
* @returns {Array}
*/
getAllNodes: function() {
return $(this).treegrid('getSetting', 'getAllNodes').apply(this, [$(this).treegrid('getTreeContainer')]);
},
/**
* Mthod return true if element is Node
*
* @returns {String}
*/
isNode: function() {
return $(this).treegrid('getNodeId') !== null;
},
/**
* Mthod return id of node
*
* @returns {String}
*/
getNodeId: function() {
if ($(this).treegrid('getSetting', 'getNodeId') === null) {
return null;
} else {
return $(this).treegrid('getSetting', 'getNodeId').apply(this);
}
},
/**
* Method return parent id of node or null if root node
*
* @returns {String}
*/
getParentNodeId: function() {
return $(this).treegrid('getSetting', 'getParentNodeId').apply(this);
},
/**
* Method return parent node or null if root node
*
* @returns {Object[]}
*/
getParentNode: function() {
if ($(this).treegrid('getParentNodeId') === null) {
return null;
} else {
return $(this).treegrid('getSetting', 'getNodeById').apply(this, [$(this).treegrid('getParentNodeId'), $(this).treegrid('getTreeContainer')]);
}
},
/**
* Method return array of child nodes or null if node is leaf
*
* @returns {Object[]}
*/
getChildNodes: function() {
return $(this).treegrid('getSetting', 'getChildNodes').apply(this, [$(this).treegrid('getNodeId'), $(this).treegrid('getTreeContainer')]);
},
/**
* Method return depth of tree.
*
* This method is needs for calculate indent
*
* @returns {Number}
*/
getDepth: function() {
if ($(this).treegrid('getParentNode') === null) {
return 0;
}
return $(this).treegrid('getParentNode').treegrid('getDepth') + 1;
},
/**
* Method return true if node is root
*
* @returns {Boolean}
*/
isRoot: function() {
return $(this).treegrid('getDepth') === 0;
},
/**
* Method return true if node has no child nodes
*
* @returns {Boolean}
*/
isLeaf: function() {
return $(this).treegrid('getChildNodes').length === 0;
},
/**
* Method return true if node last in branch
*
* @returns {Boolean}
*/
isLast: function() {
if ($(this).treegrid('isNode')) {
var parentNode = $(this).treegrid('getParentNode');
if (parentNode === null) {
if ($(this).treegrid('getNodeId') === $(this).treegrid('getRootNodes').last().treegrid('getNodeId')) {
return true;
}
} else {
if ($(this).treegrid('getNodeId') === parentNode.treegrid('getChildNodes').last().treegrid('getNodeId')) {
return true;
}
}
}
return false;
},
/**
* Method return true if node first in branch
*
* @returns {Boolean}
*/
isFirst: function() {
if ($(this).treegrid('isNode')) {
var parentNode = $(this).treegrid('getParentNode');
if (parentNode === null) {
if ($(this).treegrid('getNodeId') === $(this).treegrid('getRootNodes').first().treegrid('getNodeId')) {
return true;
}
} else {
if ($(this).treegrid('getNodeId') === parentNode.treegrid('getChildNodes').first().treegrid('getNodeId')) {
return true;
}
}
}
return false;
},
/**
* Return true if node expanded
*
* @returns {Boolean}
*/
isExpanded: function() {
return $(this).hasClass('treegrid-expanded');
},
/**
* Return true if node collapsed
*
* @returns {Boolean}
*/
isCollapsed: function() {
return $(this).hasClass('treegrid-collapsed');
},
/**
* Return true if at least one of parent node is collapsed
*
* @returns {Boolean}
*/
isOneOfParentsCollapsed: function() {
var $this = $(this);
if ($this.treegrid('isRoot')) {
return false;
} else {
if ($this.treegrid('getParentNode').treegrid('isCollapsed')) {
return true;
} else {
return $this.treegrid('getParentNode').treegrid('isOneOfParentsCollapsed');
}
}
},
/**
* Expand node
*
* @returns {Node}
*/
expand: function() {
if (!this.treegrid('isLeaf') && !this.treegrid("isExpanded")) {
this.trigger("expand");
this.trigger("change");
return this;
}
return this;
},
/**
* Expand all nodes
*
* @returns {Node}
*/
expandAll: function() {
var $this = $(this);
$this.treegrid('getRootNodes').treegrid('expandRecursive');
return $this;
},
/**
* Expand current node and all child nodes begin from current
*
* @returns {Node}
*/
expandRecursive: function() {
return $(this).each(function() {
var $this = $(this);
$this.treegrid('expand');
if (!$this.treegrid('isLeaf')) {
$this.treegrid('getChildNodes').treegrid('expandRecursive');
}
});
},
/**
* Collapse node
*
* @returns {Node}
*/
collapse: function() {
return $(this).each(function() {
var $this = $(this);
if (!$this.treegrid('isLeaf') && !$this.treegrid("isCollapsed")) {
$this.trigger("collapse");
$this.trigger("change");
}
});
},
/**
* Collapse all nodes
*
* @returns {Node}
*/
collapseAll: function() {
var $this = $(this);
$this.treegrid('getRootNodes').treegrid('collapseRecursive');
return $this;
},
/**
* Collapse current node and all child nodes begin from current
*
* @returns {Node}
*/
collapseRecursive: function() {
return $(this).each(function() {
var $this = $(this);
$this.treegrid('collapse');
if (!$this.treegrid('isLeaf')) {
$this.treegrid('getChildNodes').treegrid('collapseRecursive');
}
});
},
/**
* Expand if collapsed, Collapse if expanded
*
* @returns {Node}
*/
toggle: function() {
var $this = $(this);
if ($this.treegrid('isExpanded')) {
$this.treegrid('collapse');
} else {
$this.treegrid('expand');
}
return $this;
},
/**
* Rendering node
*
* @returns {Node}
*/
render: function() {
return $(this).each(function() {
var $this = $(this);
//if parent colapsed we hidden
if ($this.treegrid('isOneOfParentsCollapsed')) {
$this.hide();
} else {
$this.show();
}
if (!$this.treegrid('isLeaf')) {
$this.treegrid('renderExpander');
$this.treegrid('getChildNodes').treegrid('render');
}
});
},
/**
* Rendering expander depends on node state
*
* @returns {Node}
*/
renderExpander: function() {
return $(this).each(function() {
var $this = $(this);
var expander = $this.treegrid('getSetting', 'getExpander').apply(this);
if (expander) {
if (!$this.treegrid('isCollapsed')) {
expander.removeClass($this.treegrid('getSetting', 'expanderCollapsedClass'));
expander.addClass($this.treegrid('getSetting', 'expanderExpandedClass'));
} else {
expander.removeClass($this.treegrid('getSetting', 'expanderExpandedClass'));
expander.addClass($this.treegrid('getSetting', 'expanderCollapsedClass'));
}
} else {
$this.treegrid('initExpander');
$this.treegrid('renderExpander');
}
});
}
};
$.fn.treegrid = function(method) {
if (methods[method]) {
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || !method) {
return methods.initTree.apply(this, arguments);
} else {
$.error('Method with name ' + method + ' does not exists for jQuery.treegrid');
}
};
/**
* Plugin's default options
*/
$.fn.treegrid.defaults = {
initialState: 'expanded',
saveState: false,
saveStateMethod: 'cookie',
saveStateName: 'tree-grid-state',
expanderTemplate: '<span class="treegrid-expander"></span>',
indentTemplate: '<span class="treegrid-indent"></span>',
expanderExpandedClass: 'treegrid-expander-expanded',
expanderCollapsedClass: 'treegrid-expander-collapsed',
treeColumn: 0,
getExpander: function() {
return $(this).find('.treegrid-expander');
},
getNodeId: function() {
var template = /treegrid-([A-Za-z0-9_-]+)/;
if (template.test($(this).attr('class'))) {
return template.exec($(this).attr('class'))[1];
}
return null;
},
getParentNodeId: function() {
var template = /treegrid-parent-([A-Za-z0-9_-]+)/;
if (template.test($(this).attr('class'))) {
return template.exec($(this).attr('class'))[1];
}
return null;
},
getNodeById: function(id, treegridContainer) {
var templateClass = "treegrid-" + id;
return treegridContainer.find('tr.' + templateClass);
},
getChildNodes: function(id, treegridContainer) {
var templateClass = "treegrid-parent-" + id;
return treegridContainer.find('tr.' + templateClass);
},
getTreeGridContainer: function() {
return $(this).closest('table');
},
getRootNodes: function(treegridContainer) {
var result = $.grep(treegridContainer.find('tr'), function(element) {
var classNames = $(element).attr('class');
var templateClass = /treegrid-([A-Za-z0-9_-]+)/;
var templateParentClass = /treegrid-parent-([A-Za-z0-9_-]+)/;
return templateClass.test(classNames) && !templateParentClass.test(classNames);
});
return $(result);
},
getAllNodes: function(treegridContainer) {
var result = $.grep(treegridContainer.find('tr'), function(element) {
var classNames = $(element).attr('class');
var templateClass = /treegrid-([A-Za-z0-9_-]+)/;
return templateClass.test(classNames);
});
return $(result);
},
//Events
onCollapse: null,
onExpand: null,
onChange: null
};
})(jQuery);
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