org.apache.click.extras.tree
Class CheckboxTree.CheckboxSessionJavascriptRenderer

java.lang.Object
  org.apache.click.extras.tree.Tree.AbstractJavascriptRenderer
      org.apache.click.extras.tree.Tree.SessionRenderer
          org.apache.click.extras.tree.CheckboxTree.CheckboxSessionJavascriptRenderer

All Implemented Interfaces:

CheckboxTree.CheckboxJavascriptRenderer, Tree.JavascriptRenderer

Enclosing class:

CheckboxTree

protected class CheckboxTree.CheckboxSessionJavascriptRenderer
extends Tree.SessionRenderer
implements CheckboxTree.CheckboxJavascriptRenderer

Please note this class is only meant for developers of this control, not users.

Provides the rendering needed when a Tree.JAVASCRIPT_SESSION_POLICY is in effect.

Field Summary

protected CheckboxTree.BaseCheckboxJavascriptRenderer

checkboxRenderer A delegate for javascript rendering.

Fields inherited from class org.apache.click.extras.tree.Tree.AbstractJavascriptRenderer

expandId, iconId, nodeExpansionString

Constructor Summary

protected

CheckboxTree.CheckboxSessionJavascriptRenderer()

Method Summary

void	init(TreeNode treeNode) Called to initialize the renderer.
void	renderCheckbox(HtmlStringBuffer buffer) Called when a tree node's checkbox is rendered.
void	renderSelect(HtmlStringBuffer buffer) Called when a tree node's selected state is rendered.
void	renderValue(HtmlStringBuffer buffer) Called when a tree node's value is rendered.

Methods inherited from class org.apache.click.extras.tree.Tree.AbstractJavascriptRenderer

buildString, renderExpandAndCollapseAction, renderIcon, renderTreeNodeStart

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

checkboxRenderer

protected CheckboxTree.BaseCheckboxJavascriptRenderer checkboxRenderer

A delegate for javascript rendering.

Constructor Detail

CheckboxTree.CheckboxSessionJavascriptRenderer

protected CheckboxTree.CheckboxSessionJavascriptRenderer()

Method Detail

renderValue

public void renderValue(HtmlStringBuffer buffer)

Description copied from interface: CheckboxTree.CheckboxJavascriptRenderer

Called when a tree node's value is rendered. Enables the renderer to add attributes needed by javascript functionality for example something like:

      buffer.append("onclick=\"handleNodeSelection(this,event);\"");
 

The code above adds a javascript function call to the element.

The code above is appended to whichever element the tree is currently rendering at the time renderValue is called.

Specified by:

renderValue in interface CheckboxTree.CheckboxJavascriptRenderer

Parameters:

buffer - string buffer containing the markup

See Also:

renderValue(HtmlStringBuffer)

renderSelect

public void renderSelect(HtmlStringBuffer buffer)

Description copied from interface: CheckboxTree.CheckboxJavascriptRenderer

Called when a tree node's selected state is rendered. Enables the renderer to add attributes needed by javascript functionality for example something like:

     buffer.appendAttribute("id", selectId);
 

The code above adds a javascript function call to the element.

The code above is appended to whichever element the tree is currently rendering at the time renderSelect is called.

Specified by:

renderSelect in interface CheckboxTree.CheckboxJavascriptRenderer

Parameters:

buffer - string buffer containing the markup

See Also:

renderSelect(HtmlStringBuffer)

renderCheckbox

public void renderCheckbox(HtmlStringBuffer buffer)

Description copied from interface: CheckboxTree.CheckboxJavascriptRenderer

Called when a tree node's checkbox is rendered. Enables the renderer to add attributes needed by javascript functionality for example:

     buffer.append(" onclick=\"onCheckboxClick(this,event);\"");
 

The code above adds a javascript function call to the element.

The code above is appended to whichever element the tree is currently rendering at the time renderValue is called.

Specified by:

renderCheckbox in interface CheckboxTree.CheckboxJavascriptRenderer

Parameters:

buffer - string buffer containing the markup

See Also:

renderCheckbox(HtmlStringBuffer)

init

public void init(TreeNode treeNode)

Description copied from interface: Tree.JavascriptRenderer

Called to initialize the renderer.

Specified by:

init in interface Tree.JavascriptRenderer

Overrides:

init in class Tree.SessionRenderer

Parameters:

treeNode - the current node rendered

See Also:

init(TreeNode)