Draw Tree in Pure Html

Treant contructor

Before stating a wider explanation of all the possible chart configurations, it is first required to briefly describe the Treant Javascript constructor which accepts the configuration object with all the data necessary to draw the wanted chart.

Treant constructor
parameters chart_structure {Array or JSON}

callback {function} optional

jQuery {jQuery object} optional

chart_structure is a required parameter. Its detailed definition is explained further down in the API documentation.
callback (deprecated) is an optional parameter. Function passed as callback will be executed after chart initialization. It is now preferred to use the onTreeLoaded callback which is now part of the chart configuration.
jQuery is an optional parameter. If jQuery is available simply pass $ for this parameter. This will provide animation support, ability to get TreeNode class instances directly from the DOM using .data( 'treenode' );, and many more features.

Usage
                  var my_chart = new Treant( chart_structure, callback, $ );                

As seen above, the chart_structure parameter should be provided for the Treant constructor. Further documentation explains the possible solutions for generating the chart_structure which will eventually give the desired result.


Part 1: General chart API

The first part of the API explains all the properties that can be passed to chart config variable.

What is a chart config variable?

Example: Below is a simple example in Construction & Initialization. In the Array example the config variable and in the JSON example the simple_chart_config.chart property are editable withe the properties listed bellow.

List of properties
Property Values Short Description
container
{string}
-
(required)

A string that identifies a HTML element that will contain the organizational chart (nodes and connections). A string should be specified as a jQuery ID selector
(ex: "#some-element-id")

callback
{object}

onCreateNode
{function} null

onCreateNodeCollapseSwitch
{function} null

onAfterAddNode
{function} null

onBeforeAddNode {function}
null

onAfterPositionNode {function}
null

onBeforePositionNode {function}
null

onToggleCollapseFinished {function}
null

onAfterClickCollapseSwitch {function}
null

onBeforeClickCollapseSwitch {function}
null

onTreeLoaded {function}
null

Detailed usage and examples coming soon.

rootOrientation
{string}
NORTH
EAST
WEST
SOUTH
This property specifies the position of the root node, and the orientation of its children which depend on it.
nodeAlign
{string}
CENTER
TOP
BOTTOM
Specifies the vertical alignment of nodes on the same level. Is one node has a bigger height than the others, the ones with the smaller height should be properly vertical aligned.
levelSeparation
{number}
30(px)
The levelSeparation property defines the separation between chart levels.
siblingSeparation
{number}
30(px)
The siblingSeparation property defines the separation between two sibling on the same level.
subTeeSeparation
{number}
30(px)
The siblingSeparation property defines the separation between two neighbor branches of the organizational chart.
hideRootNode
{boolean}
false
true
The root node can be hidden by defining this as true. Root node should still be defined in the chart structure but it won't be shown.
animateOnInit
{boolean}
false
Every chart can be animated uppon initialization if this option is set to true. For more animation options see chart config animation. (jQuery required)
animateOnInitDelay
{number}
500(ms)
This option indicates a number of miliseconds before an init animation is triggered.
scrollbar
{string}
native
fancy
None

If the chart container is smaller than the chart content a scrollbar will be shown. There are tree possibilities. Use a native browser scrollbar, use a fancy jquery powered scrollbar or don't use scrollbar at all with the "None" property.

Usage
<!-- include this files if "fancy" is set --> <link href="[path]/perfect-scrollbar.css" rel="stylesheet" type="text/css"/> <script src="[path]/jquery.min.js"></script> <script src="[path]/jquery.mousewheel.js"></script> <script src="[path]/perfect-scrollbar.js"></script>
padding
{number}
15(px)
If the scrollbar is shown, this defines the padding between the chart structure and the chart container.
connectors
{object}

type {string}
curve
bCurve
step
straight

style {object}
stroke: 'black'
arrow-end: {string}
cursor: {string}
fill: {string}
fill-opacity: {number}
opacity: {number}
stroke: {string}
stroke-dasharray: {string}
stroke-linecap: {string}
stroke-opacity: {number}
stroke-width: {number}

stackIndent
{number}
15(px)

type defines which type of connector line should be drawn between a parent node and its children.Several possibilities are available, their appearance is the following: connector types

style parameter requires you to define an object. Its definition can be found at RaphaelJS documentation under possible parameters section.

stackIndent is the property which will be applied to stacked children. See stackChildren under part 2 of the API.

node
{object}

HTMLclass
{string} -

drawLineThrough
{boolean} false

collapsable
{boolean} false

link {object}
target: '_self'

A string can be entered under HTMLclass. That class will be given to each node in the cart along with the default .node class.

drawLineThrough accepts a boolean. If set to true, each node will have a connector line drawn through it.

A collapsable option enables the node to interactively collapse its children. A collapse switch is added to the node. (jQuery required)

If you are planning of making a lot of <a> nodes then here is the possibility to assign target="_blank" to each of those nodes in one blow.

animation
{object}
nodeSpeed
{number} 450(ms)

nodeAnimation {string} linear

connectorsSpeed {number} 450(ms)

connectorsAnimation {string} linear

How the chart animates can be fully customised. Here, animation speed and animation functions can be set. jQuery is required in oreder for animations to work.

nodeAnimation accepts one of jquery.easing functions .
jquery.easing plugin needs to be included.

connectorsAnimation accepts one of Raphael.easing_formulas or CSS format: cubic‐bezier(XX, XX, XX, XX)

Performance Hint: In order to animate nodes with hardware-accelerated transitions use jquery.transition.js plugin

Part 2: Individual node configuration

The second part explains the properties which can be passed to every single node.

Where do I define node configuration?

Example: Look at the simple example in Construction & Initialization. In the Array example the parent_node, first_child, second_child variables, and in the JSON example, each node in the simple_chart_config.nodeStructure property are editable withe the properties listed bellow.

List of properties
Property Values Short Description
text
{object}
name
{string} or {object}
class: .node-name
-
title
{string} or {object}
class: .node-title
-
desc
{string} or {object}
class: .node-desc
-
contact
{string} or {object}
class: .node-contact
-
data-*
{string}
class: -
-

A text property can be given to each node. Here you can describe the content of a node in detail. For each text property a <p> tag will be created inside the node container. Corresponding HTML classes will be given to each created tag so they can be styled what ever way you like.
If you pass an object instead off a string, an <a> tag will be created instead of <p> tag.

Usage
node = {     parent: some_parent,     text: {         name: "Simple node",         title: "One of kind",         desc: "A basic example",         data-foo: " data Attribute for node",         contact: {              val: "contact me",             href: "http://twitter.com/",             target: "_self"         }     } }
link
{object}
href {string}
-
target {string}
-
By default, each node is created as an absolute positioned <div> element. By defining a link property, a node is rendered as an <a> element instead.
image
{string}
- An image can be inserted into a node container. A relative or absolute path to target image needs to be set as image parameter. The <img> is inserted before the text properties.
innerHTML
{string}
- A custom HTML structure can be inserted into a node container. A HTML string needs to be specified in order for this to work.
Another usage of this property is to pass a jQuery ID selector. In that case, an element with a given id is found and its copy is used as node structure. Suffix "-copy" is added to the id of the node element.
childrenDropLevel
{number}
- If a certain node has children, a childrenDropLevel can be defined on it. That property specifies how many levels deeper than normal should children be positioned.
pseudo
{boolean}
- A pseudo property allows the creation of invisible nodes with no content. Such nodes can have children and all the other desired properties, the only thing to keep in mind is that such nodes have NO content.
connectors
{object}
inherits from chart config.connectors Although all the nodes inherit the connectors property from the chart config, it can be overridden for a single node by redefining it under node config.
See chart config connectors for more documentation.
collapsable
{boolean}
inherits from chart config.node.collapsable Each node can be meade collapsable. (jQuery required)
See chart config node.collapsable for more documentation.
collapsed
{boolean}
false This option can be set to true, if so, effected node is initially collapsed. That node is also considered as collapsable. (jQuery required)
HTMLclass
{string}
inherits from chart config.node.HTMLclass If specified, all the nodes inherit the HTMLclass from config.node.HTMLclass. But with this property, it is possible to give extra classes to individual nodes.
See chart config node.HTMLclass for more documentation.
HTMLid
{string}
- A custom HTML id attribute can be given to each node element by defineing an id property.
stackChildren
{boolean}
-

stackChildren property can be set to true. If so the children of the target node will be positioned one beneath the other instead of side by side. This propery won't take affect if the node has grandchildren. When set, the appearance is the following: stack childen

drawLineThrough
{boolean}
inherits from chart config.node .drawLineThrough The inherited property can be overridden or set by defining this property.
See chart config node.drawLineThrough for more documentation.

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Source: https://fperucic.github.io/treant-js/

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