Examples of com.extjs.gxt.ui.client.widget.tree.Tree

Package com.extjs.gxt.ui.client.widget.tree

Examples of com.extjs.gxt.ui.client.widget.tree.Tree

com.extjs.gxt.ui.client.widget.tree.Tree
A standard hierarchical tree widget. The tree contains a hierarchy of TreeItems that the user can open, close, and select.
The root item cannot be displayed.
Events:
BeforeAdd : TreeEvent(item, child, index)

Fires before a item is added or inserted. Listeners can cancel the action by calling {@link BaseEvent#setCancelled(boolean)}.
- item : this
- child : the item being added
- index : the index at which the item will be added
BeforeRemove : TreeEvent(item, child)

Fires before a item is removed. Listeners can cancel the action by calling {@link BaseEvent#setCancelled(boolean)}.
- item : this
- child : the item being removed
BeforeExpand : TreeEvent(item)

Fires before a item is expanded. Listeners can cancel the action by calling {@link BaseEvent#setCancelled(boolean)}.
- item : this
BeforeCollapse : TreeEvent(item)

Fires before a item is collapsed. Listeners can cancel the action by calling {@link BaseEvent#setCancelled(boolean)}.
- item : this
Add : TreeEvent(item, child, index)

Fires after a item has been added or inserted.
- item : this
- child : the item that was added
- index : the index at which the item will be added
Remove : TreeEvent(tree, item, child)

Fires after a item has been removed.
- tree : this
- item : item
- child : the item being removed
BeforeSelect : TreeEvent(tree, item)

Fires before a item is selected. Listeners can cancel the action by calling {@link BaseEvent#setCancelled(boolean)}.
- tree : this
- item : the selected item
SelectionChange : TreeEvent(tree, selected)

Fires after the tree selection changes.
- tree : this
- selected : the selected items
Expand : TreeEvent(tree, item)

Fires after a item has been expanded.
- item : this
Collapse : TreeEvent(tree, item)

Fires after a item is collapsed.
- item : this
CheckChange : TreeEvent(tree, item)

Fires after a check state change.
- item : this
ContextMenu : TreeEvent(tree)

Fires before the tree's context menu is shown.
- component : this
KeyPress : TreeEvent(tree, event)

Fires when a key is pressed.
- event : dom event
Inherited Events:

BoxComponent Move

BoxComponent Resize

Component Enable

Component Disable

Component BeforeHide

Component Hide

Component BeforeShow

Component Show

Component Attach

Component Detach

Component BeforeRender

Component Render

Component BrowserEvent

Component BeforeStateRestore

Component StateRestore

Component BeforeStateSave

Component SaveState

CSS:

.my-tree (the tree itself)

.my-tree-item-text span (the tree item text)

@deprecated see {@link TreePanel}

    if (item == null) {
      clearStyles(event);
      return;
    }
    if (event.getDropTarget().component == event.getDragSource().component) {
      Tree source = (Tree) event.getDragSource().component;
      TreeItem sel = source.getSelectedItem();
      List<TreeItem> children = sel.getItems(true);
      if (children.contains(item)) {
        clearStyles(event);
        return;
      }

View Full Code Here

    if (item == null) {
      clearStyles(event);
      return;
    }
    if (event.getDropTarget().component == event.getDragSource().component) {
      Tree source = (Tree) event.getDragSource().component;
      TreeItem sel = source.getSelectedItem();
      List<TreeItem> children = sel.getItems(true);
      if (children.contains(item)) {
        clearStyles(event);
        return;
      }

View Full Code Here

    if (item == null) {
      clearStyles(event);
      return;
    }
    if (event.getDropTarget().component == event.getDragSource().component) {
      Tree source = (Tree) event.getDragSource().component;
      TreeItem sel = source.getSelectedItem();
      List<TreeItem> children = sel.getItems(true);
      if (children.contains(item)) {
        clearStyles(event);
        return;
      }

View Full Code Here

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