A simple and elegant solution to displaying hierarchical tree structures (i.e. a Tree View) while leveraging the best that Twitter Bootstrap has to offer.
Where provided these are the actual versions patternfly-bootstrap-treeview has been tested against.
- Bootstrap v3.3.4 (>= 3.0.0) (doesn't support Bootstrap 4)
- jQuery v2.1.3 (>= 1.9.0)
You can install using bower (recommended):
$ bower install patternfly-bootstrap-treeviewor using npm:
$ npm install patternfly-bootstrap-treeviewor download manually.
Add the following resources for the patternfly-bootstrap-treeview to function correctly.
<!-- Required Stylesheets -->
<link href="bootstrap.css" rel="stylesheet">
<!-- Required Javascript -->
<script src="jquery.js"></script>
<script src="bootstrap-treeview.js"></script>The component will bind to any existing DOM element.
<div id="tree"></div>Basic usage may look something like this.
function getTree() {
// Some logic to retrieve, or generate tree structure
return data;
}
$('#tree').treeview({data: getTree()});In order to define the hierarchical structure needed for the tree it's necessary to provide a nested array of JavaScript objects.
Example
var tree = [
{
text: "Parent 1",
nodes: [
{
text: "Child 1",
nodes: [
{
text: "Grandchild 1"
},
{
text: "Grandchild 2"
}
]
},
{
text: "Child 2"
}
]
},
{
text: "Parent 2"
},
{
text: "Parent 3"
},
{
text: "Parent 4"
},
{
text: "Parent 5"
}
];At the lowest level a tree node is a represented as a simple JavaScript object. This one required property text will build you a tree.
{
text: "Node 1"
}If you want to do more, here's the full node specification
{
text: "Node 1",
icon: "glyphicon glyphicon-stop",
image: "something.png",
selectedIcon: "glyphicon glyphicon-stop",
color: "#000000",
backColor: "#FFFFFF",
iconColor: "#FFFFFF",
iconBackground: "#000000",
selectable: true,
checkable: true,
state: {
checked: true,
disabled: true,
expanded: true,
selected: true
},
tags: [
'available',
{text:'not available', class:'disabled'}
],
dataAttr: {
target: '#tree'
}
id: 'something',
class: 'special extraordinary',
hideCheckbox: true,
nodes: [
{},
...
]
}The following properties are defined to allow node level overrides, such as node specific icons, colours and tags.
String Mandatory
The text value displayed for a given tree node, typically to the right of the nodes icon.
String Option
The tooltip value displayed for a given tree node on mouse hover.
String Optional
The icon displayed on a given node, typically to the left of the text.
String Optional
The image displayed on a given node, overrides the icon.
For simplicity we directly leverage Bootstraps Glyphicons support and as such you should provide both the base class and individual icon class separated by a space.
By providing the base class you retain full control over the icons used. If you want to use your own then just add your class to this icon field.
String Optional
The icon displayed on a given node when selected, typically to the left of the text.
String Optional
The foreground color used on a given node, overrides global color option.
String Optional
The background color used on a given node, overrides global color option.
String Optional
The color used on a given node's icon.
String Optional
The color used under a given node's background icon.
Boolean Default: false
Adds an expand icon to the node even if it has no children, it calls the lazyLoad() function (described below) upon the first expand.
Boolean Default: true
Whether or not a node is selectable in the tree. False indicates the node should act as an expansion heading and will not fire selection events.
Boolean Default: true
Whether or not a node is checkable in the tree, used in conjunction with showCheckbox.
Object Optional
Describes a node's initial state.
Boolean Default: false
Whether or not a node is checked, represented by a checkbox style glyphicon.
Boolean Default: false
Whether or not a node is disabled (not selectable, expandable or checkable).
Boolean Default: false
Whether or not a node is expanded i.e. open. Takes precedence over global option levels.
Boolean Default: false
Whether or not a node is selected.
Array of Strings Optional
Used in conjunction with global showTags option to add additional information to the right of each node; using Bootstrap Badges
A tag can be an object with properties 'text' for tag value and 'class' for class names(s) of this tag
Strings Optional
String, class names(s). Default: "badge"
Sets the class of node tags
Array of Objects Optional
List of per-node HTML data- attributes to append.
String Optional
List of custom CSS classes to append, separated by space.
String Optional
Custom HTML id attribute.
Boolean Default: false
Used to hide the checkbox of the given node when showCheckbox is set to true.
You can extend the node object by adding any number of additional key value pairs that you require for your application. Remember this is the object which will be passed around during selection events.
Options allow you to customise the treeview's default appearance and behaviour. They are passed to the plugin on initialization, as an object.
// Example: initializing the treeview
// expanded to 5 levels
// with a background color of green
$('#tree').treeview({
data: data,
levels: 5,
backColor: 'green'
});You can pass a new options object to the treeview at any time but this will have the effect of re-initializing the treeview.
The following is a list of all available options.
Array of Objects. No default, expects either data or dataUrl.
This is the core data to be displayed by the tree view. If data is provided, dataUrl will be ignored.
jQuery Ajax settings object, as documented here.
Accepts a set of key/value pairs that configure an Ajax request. All settings are optional, any provided will be merge with the following default configuration.
{
method: 'GET',
dataType: 'json',
cache: false
}JSON is the only format accepted.
String, any legal color value. Default: inherits from Bootstrap.css.
Sets the default background color used by all nodes, except when overridden on a per node basis in data.
String, any legal color value. Default: inherits from Bootstrap.css.
Sets the border color for the component; set showBorder to false if you don't want a visible border.
String, any legal color value. Default: blue
Sets the text color for a node with a changed checkbox.
Boolean. Default: false
Swaps the node icon with the checkbox, used in conjunction with showCheckbox.
String, class names(s). Default: "glyphicon glyphicon-check" as defined by Bootstrap Glyphicons
Sets the icon to be as a checked checkbox, used in conjunction with showCheckbox.
String, class name(s). Default: "glyphicon glyphicon-minus" as defined by Bootstrap Glyphicons
Sets the icon to be used on a collapsible tree node.
String, any legal color value. Default: inherits from Bootstrap.css.
Sets the default foreground color used by all nodes, except when overridden on a per node basis in data.
String, class name(s). Default: "glyphicon" as defined by Bootstrap Glyphicons
Sets the icon to be used on a tree node with no child nodes.
String, class name(s). Default: "glyphicon glyphicon-plus" as defined by Bootstrap Glyphicons
Sets the icon to be used on an expandable tree node.
String, class name(s). Default: "glyphicon glyphicon-hourglass" as defined by Bootstrap Glyphicons
Sets the icon to be used on an a lazyLoad node before its content gets loaded.
Boolean. Default: false
Whether or not to enable hierarchical checking/unchecking of checkboxes.
Boolean. Default: false
Whether or not to propagate nodeChecked and nodeUnchecked events to the parent/child nodes, used in conjunction with hierarchicalCheck.
Boolean. Default: false Highlights the nodes with changed checkbox state, used in conjunction with showCheckbox.
Boolean. Default: true
Whether or not to highlight search results.
Boolean. Default: true
Whether or not to highlight the selected node.
Function. Default: undefined
This function is called when a lazyly-loadable node is being expanded for the first time. The node is available as the first argument, while the second argument is a function responsible for passing the loaded data to the renderer. The data needs to be in the same JSON format as specified above.
Integer. Default: 2
Sets the number of hierarchical levels deep the tree will be expanded to by default.
Boolean. Default: false
Whether or not multiple nodes can be selected at the same time.
String, class name(s). Default: "glyphicon glyphicon-stop" as defined by Bootstrap Glyphicons
Sets the default icon to be used on all nodes, except when overridden on a per node basis in data.
String, any legal color value. Default: '#F5F5F5'.
Sets the default background color activated when the users cursor hovers over a node.
String, class names(s). Default: "glyphicon glyphicon-expand" as defined by Bootstrap Glyphicons
Sets the icon to be as a partially checked checkbox, used in conjunction with showCheckbox and hierarchicalCheck.
Boolean. Default: false
Whether or not a node can be unselected without another node first being selected.
Boolean. Default: false
Whether or not a node can be reselected when its already selected, used in conjunction with preventUnselect.
String, class name(s). Default: "glyphicon glyphicon-stop" as defined by Bootstrap Glyphicons
Sets the default icon to be used on all selected nodes, except when overridden on a per node basis in data.
String, any legal color value. Default: undefined, inherits.
Sets the background color of the selected node.
String, any legal color value. Default: '#D9534F'.
Sets the foreground color of the selected node.
String, any legal color value. Default: '#428bca'.
Sets the background color of the selected node.
String, any legal color value. Default: '#FFFFFF'.
Sets the foreground color of the selected node.
Boolean. Default: true
Whether or not to display a border around nodes.
Boolean. Default: false
Whether or not to display checkboxes on nodes.
Boolean. Default: true
Whether or not to display a nodes icon.
Boolean. Default: false
Whether or not to display a nodes image instead of the icon.
Boolean. Default: false
Whether or not to display tags to the right of each node. The values of which must be provided in the data structure on a per node basis.
String, class names(s). Default: "badge"
Sets the class of tags
String, class names(s). Default: "glyphicon glyphicon-unchecked" as defined by Bootstrap Glyphicons
Sets the icon to be as an unchecked checkbox, used in conjunction with showCheckbox.
Boolean. Default: false
Whether or not to surround the text of the node with a <span class='text'> tag.
Methods provide a way of interacting with the plugin programmatically. For example, expanding a node is possible via the expandNode method.
You can invoke methods in one of two ways, using either:
The plugin's wrapper works as a proxy for accessing the underlying methods.
$('#tree').treeview('methodName', args)Limitation, multiple arguments must be passed as an array of arguments.
You can get an instance of the treeview using one of the two following methods.
// This special method returns an instance of the treeview.
$('#tree').treeview(true)
.methodName(args);
// The instance is also saved in the DOM elements data,
// and accessible using the plugin's id 'treeview'.
$('#tree').data('treeview')
.methodName(args);A better approach, if you plan a lot of interaction.
If you intend to make multiple API calls, store a reference to the treeview instance.
var tree = $('#tree').treeview(true);
tree.method1(args);
tree.method2(args);The following is a list of all available methods.
All methods that all declare argument
nodeswill accept either a single node, or an Array of nodes.
Add nodes to the tree.
$('#tree').treeview('addNode', [ nodes, parentNode, index, { silent: true } ]);If parentNode evaluates to false, node will be added to root
If index evaluates to false, node will be appended to the nodes
Triggers nodeRendered event; pass silent to suppress events.
Add nodes to the tree after given node.
$('#tree').treeview('addNodeAfter', [ nodes, node, { silent: true } ]);If node evaluates to false, node will be prepended to the tree's root
Triggers nodeRendered event; pass silent to suppress events.
Add nodes to the tree before given node.
$('#tree').treeview('addNodeAfter', [ nodes, node, { silent: true } ]);If node evaluates to false, node will be appended to the tree's root
Triggers nodeRendered event; pass silent to suppress events.
Checks all tree nodes
$('#tree').treeview('checkAll', { silent: true });Triggers nodeChecked event; pass silent to suppress events.
Checks given tree nodes.
$('#tree').treeview('checkNode', [ nodes, { silent: true } ]);Triggers nodeChecked event; pass silent to suppress events.
Clear the tree view of any previous search results e.g. remove their highlighted state.
$('#tree').treeview('clearSearch');Triggers searchCleared event
Collapse all tree nodes, collapsing the entire tree.
$('#tree').treeview('collapseAll', { silent: true });Triggers nodeCollapsed event; pass silent to suppress events.
Collapse a given tree node and it's child nodes. If you don't want to collapse the child nodes, pass option { ignoreChildren: true }.
$('#tree').treeview('collapseNode', [ nodes, { silent: true, ignoreChildren: false } ]);Triggers nodeCollapsed event; pass silent to suppress events.
Disable all tree nodes
$('#tree').treeview('disableAll', { silent: true, keepState: true });Triggers nodeDisabled event; pass silent to suppress events and keepState to keep the expanded/checked/selected state.
Disable given tree nodes.
$('#tree').treeview('disableNode', [ nodes, { silent: true, keepState: true } ]);Triggers nodeDisabled event; pass silent to suppress events and keepState to keep the expanded/checked/selected state.
Enable all tree nodes
$('#tree').treeview('enableAll', { silent: true });Triggers nodeEnabled event; pass silent to suppress events.
Enable given tree nodes.
$('#tree').treeview('enableNode', [ nodes, { silent: true } ]);Triggers nodeEnabled event; pass silent to suppress events.
Expand all tree nodes. Optionally can be expanded to any given number of levels.
$('#tree').treeview('expandAll', { levels: 2, silent: true });Triggers nodeExpanded event; pass silent to suppress events.
Expand given tree nodes. Optionally can be expanded to any given number of levels.
$('#tree').treeview('expandNode', [ nodes, { levels: 2, silent: true } ]);Triggers nodeExpanded event; pass silent to suppress events.
Returns an array of matching node objects.
$('#tree').treeview('findNodes', ['Parent', 'text']);Use regular expressions for pattern matching NOT string equals, if you need to match an exact string use start and end string anchors e.g. ^pattern$.
Returns an array of checked nodes e.g. state.checked = true.
$('#tree').treeview('getChecked');Returns an array of collapsed nodes e.g. state.expanded = false.
$('#tree').treeview('getCollapsed');Returns an array of disabled nodes e.g. state.disabled = true.
$('#tree').treeview('getDisabled');Returns an array of enabled nodes e.g. state.disabled = false.
$('#tree').treeview('getEnabled');Returns an array of expanded nodes e.g. state.expanded = true.
$('#tree').treeview('getExpanded');Returns an array of all initialized nodes.
$('#tree').treeview('getNodes', nodes);Returns parent nodes for given nodes, if valid otherwise returns undefined.
$('#tree').treeview('getParent', nodes);Returns an array of selected nodes e.g. state.selected = true.
$('#tree').treeview('getSelected');Returns an array of sibling nodes for given nodes, if valid otherwise returns undefined.
$('#tree').treeview('getSiblings', nodes);Returns an array of unchecked nodes e.g. state.checked = false.
$('#tree').treeview('getUnchecked');Returns an array of unselected nodes e.g. state.selected = false.
$('#tree').treeview('getUnselected');Removes the tree view component. Removing attached events, internal attached objects, and added HTML elements.
$('#tree').treeview('remove');Removes given nodes from the tree.
$('#tree').treeview('removeNode', [ nodes, { silent: true } ]);Reveals given tree nodes, expanding the tree from node to root.
$('#tree').treeview('revealNode', [ nodes, { silent: true } ]);Triggers nodeExpanded event; pass silent to suppress events.
Searches the tree view for nodes that match a given string, highlighting them in the tree.
Returns an array of matching nodes.
$('#tree').treeview('search', [ 'Parent', {
ignoreCase: true, // case insensitive
exactMatch: false, // like or equals
revealResults: true, // reveal matching nodes
}]);Triggers searchComplete event
Selects given tree nodes.
$('#tree').treeview('selectNode', [ nodes, { silent: true } ]);Triggers nodeSelected event; pass silent to suppress events.
Toggles a node's checked state; checking if unchecked, unchecking if checked.
$('#tree').treeview('toggleNodeChecked', [ nodes, { silent: true } ]);Triggers either nodeChecked or nodeUnchecked event; pass silent to suppress events.
Toggles a node's disabled state; disabling if enabled, enabling if disabled.
$('#tree').treeview('toggleNodeDisabled', [ nodes, { silent: true } ]);Triggers either nodeDisabled or nodeEnabled event; pass silent to suppress events.
Toggles a node's expanded state; collapsing if expanded, expanding if collapsed.
$('#tree').treeview('toggleNodeExpanded', [ nodes, { silent: true } ]);Triggers either nodeExpanded or nodeCollapsed event; pass silent to suppress events.
Toggles a node selected state; selecting if unselected, unselecting if selected.
$('#tree').treeview('toggleNodeSelected', [ nodes, { silent: true } ]);Triggers either nodeSelected or nodeUnselected event; pass silent to suppress events.
Uncheck all tree nodes.
$('#tree').treeview('uncheckAll', { silent: true });Triggers nodeUnchecked event; pass silent to suppress events.
Uncheck given tree nodes.
$('#tree').treeview('uncheckNode', [ nodes, { silent: true } ]);Triggers nodeUnchecked event; pass silent to suppress events.
Updates / replaces a given tree node.
$('#tree').treeview('updateNode', [ node, newNode, { silent: true } ]);Triggers nodeRendered event; pass silent to suppress events.
Marks all checkboxes as unchanged, removing the highlighted class from each of them.
Unselects given tree nodes.
$('#tree').treeview('unselectNode', [ nodes, { silent: true } ]);Triggers nodeUnselected event; pass silent to suppress events.
Events are provided so that your application can respond to changes in the treeview's state. For example, if you want to update a display when a node is selected use the nodeSelected event.
You can bind to any event defined below by either using an options callback handler, or the standard jQuery .on method.
Example using options callback handler:
$('#tree').treeview({
// The naming convention for callback's is to prepend with `on`
// and capitalize the first letter of the event name
// e.g. nodeSelected -> onNodeSelected
onNodeSelected: function(event, data) {
// Your logic goes here
});and using jQuery .on method
$('#tree').on('nodeSelected', function(event, data) {
// Your logic goes here
});Use callback handlers for lifecycle events otherwise you'll miss the events fired during creation.
loading (event) - The tree has initiated data loading.
loadingFailed (event, error) - The tree failed to load data (ajax error)
initialized (event, nodes) - The tree has initialized itself and data ready for rendering.
nodeRendered (event, node) - A new node is rendered;
rendered (event, nodes) - The tree is rendered;
destroyed (event) The tree is being destroyed;
nodeChecked (event, node) - A node is checked.
nodeCollapsed (event, node) - A node is collapsed.
nodeDisabled (event, node) - A node is disabled.
nodeEnabled (event, node) - A node is enabled.
nodeExpanded (event, node) - A node is expanded.
nodeSelected (event, node) - A node is selected.
nodeUnchecked (event, node) - A node is unchecked.
nodeUnselected (event, node) - A node is unselected.
searchComplete (event, results) - After a search completes
searchCleared (event, results) - After search results are cleared
All events that emit multiple nodes, do so as an object collection not an array. This is due to limitations of jQuery in cloning plain JavaScript objects. If you need to an Array of nodes you'll need to reduce the object back into an array.
Copyright 2013 Jonathan Miles
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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