Java Doc for Tree.java in  » Ajax » GWT » com » google » gwt » user » client » ui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Ajax » GWT » com.google.gwt.user.client.ui   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.google.gwt.user.client.ui.UIObject       com.google.gwt.user.client.ui.Widget          com.google.gwt.user.client.ui.Tree Tree public class Tree extends Widget implements HasWidgets,SourcesTreeEvents,HasFocus(Code) A standard hierarchical tree widget. The tree contains a hierarchy of com.google.gwt.user.client.ui.TreeItem TreeItems that the user can open, close, and select. CSS Style Rules .gwt-Tree { the tree itself } .gwt-Tree .gwt-TreeItem { a tree item } .gwt-Tree .gwt-TreeItem-selected { a selected tree item } Example Constructor Summary public   Tree()      Constructs an empty tree. public   Tree(TreeImages images)      Constructs a tree that uses the specified image bundle for images. Method Summary public  void add(Widget widget)      Adds the widget as a root tree item. public  void addFocusListener(FocusListener listener)      public  TreeItem addItem(String itemText)      Adds a simple tree item containing the specified text. public  void addItem(TreeItem item)      Adds an item to the root level of this tree. public  TreeItem addItem(Widget widget)      Adds a new tree item containing the specified widget. public  void addKeyboardListener(KeyboardListener listener)      public  void addMouseListener(MouseListener listener)      public  void addTreeListener(TreeListener listener)       void adopt(Widget widget, TreeItem treeItem)      public  void clear()      Clears all tree items from the current tree. protected  void doAttachChildren()      protected  void doDetachChildren()      public  void ensureSelectedItemVisible()      Ensures that the currently-selected item is visible, opening its parents and scrolling the tree as necessary.  void fireStateChanged(TreeItem item)       Map<Widget, TreeItem> getChildWidgets()      public  String getImageBase()      Gets this tree's default image package.  TreeImages getImages()      public  TreeItem getItem(int index)      Gets the top-level tree item at the specified index. public  int getItemCount()      Gets the number of items contained at the root of this tree. public  TreeItem getSelectedItem()      Gets the currently selected item. public  int getTabIndex()      protected  boolean isKeyboardNavigationEnabled(TreeItem currentItem)      Indicates if keyboard navigation is enabled for the Tree and for a given TreeItem. public  Iterator<Widget> iterator()      public  void onBrowserEvent(Event event)      protected  void onLoad()       void orphan(Widget widget)      public  boolean remove(Widget w)      public  void removeFocusListener(FocusListener listener)      public  void removeItem(TreeItem item)      Removes an item from the root level of this tree. public  void removeItems()      Removes all items from the root level of this tree. public  void removeKeyboardListener(KeyboardListener listener)      public  void removeTreeListener(TreeListener listener)      public  void setAccessKey(char key)      public  void setFocus(boolean focus)      public  void setImageBase(String baseUrl)      Sets the base URL under which this tree will find its default images. public  void setSelectedItem(TreeItem item)      Selects a specified item. public  void setSelectedItem(TreeItem item, boolean fireEvents)      Selects a specified item. public  void setTabIndex(int index)      public  Iterator<TreeItem> treeItemIterator()      Iterator of tree items. Constructor Detail Tree public Tree()(Code) Constructs an empty tree. Tree public Tree(TreeImages images)(Code) Constructs a tree that uses the specified image bundle for images. Parameters:   images - a bundle that provides tree specific images Method Detail add public void add(Widget widget)(Code) Adds the widget as a root tree item. See Also:   com.google.gwt.user.client.ui.HasWidgets.add(com.google.gwt.user.client.ui.Widget) Parameters:   widget - widget to add. addFocusListener public void addFocusListener(FocusListener listener)(Code) addItem public TreeItem addItem(String itemText)(Code) Adds a simple tree item containing the specified text. Parameters:   itemText - the text of the item to be added the item that was added addItem public void addItem(TreeItem item)(Code) Adds an item to the root level of this tree. Parameters:   item - the item to be added addItem public TreeItem addItem(Widget widget)(Code) Adds a new tree item containing the specified widget. Parameters:   widget - the widget to be added addKeyboardListener public void addKeyboardListener(KeyboardListener listener)(Code) addMouseListener public void addMouseListener(MouseListener listener)(Code) addTreeListener public void addTreeListener(TreeListener listener)(Code) adopt void adopt(Widget widget, TreeItem treeItem)(Code) clear public void clear()(Code) Clears all tree items from the current tree. doAttachChildren protected void doAttachChildren()(Code) doDetachChildren protected void doDetachChildren()(Code) ensureSelectedItemVisible public void ensureSelectedItemVisible()(Code) Ensures that the currently-selected item is visible, opening its parents and scrolling the tree as necessary. fireStateChanged void fireStateChanged(TreeItem item)(Code) getChildWidgets Map<Widget, TreeItem> getChildWidgets()(Code) getImageBase public String getImageBase()(Code) Gets this tree's default image package. the tree's image package See Also:   Tree.setImageBaseTree.Tree(TreeImages) getImages TreeImages getImages()(Code) getItem public TreeItem getItem(int index)(Code) Gets the top-level tree item at the specified index. Parameters:   index - the index to be retrieved the item at that index getItemCount public int getItemCount()(Code) Gets the number of items contained at the root of this tree. this tree's item count getSelectedItem public TreeItem getSelectedItem()(Code) Gets the currently selected item. the selected item getTabIndex public int getTabIndex()(Code) isKeyboardNavigationEnabled protected boolean isKeyboardNavigationEnabled(TreeItem currentItem)(Code) Indicates if keyboard navigation is enabled for the Tree and for a given TreeItem. Subclasses of Tree can override this function to selectively enable or disable keyboard navigation. Parameters:   currentItem - the currently selected TreeItem true if the Tree will response to arrow keys bychanging the currently selected item iterator public Iterator<Widget> iterator()(Code) onBrowserEvent public void onBrowserEvent(Event event)(Code) onLoad protected void onLoad()(Code) orphan void orphan(Widget widget)(Code) remove public boolean remove(Widget w)(Code) removeFocusListener public void removeFocusListener(FocusListener listener)(Code) removeItem public void removeItem(TreeItem item)(Code) Removes an item from the root level of this tree. Parameters:   item - the item to be removed removeItems public void removeItems()(Code) Removes all items from the root level of this tree. removeKeyboardListener public void removeKeyboardListener(KeyboardListener listener)(Code) removeTreeListener public void removeTreeListener(TreeListener listener)(Code) setAccessKey public void setAccessKey(char key)(Code) setFocus public void setFocus(boolean focus)(Code) setImageBase public void setImageBase(String baseUrl)(Code) Sets the base URL under which this tree will find its default images. These images must be named "tree_white.gif", "tree_open.gif", and "tree_closed.gif". Parameters:   baseUrl - Tree.Tree(TreeImages) setSelectedItem public void setSelectedItem(TreeItem item)(Code) Selects a specified item. Parameters:   item - the item to be selected, or null to deselect allitems setSelectedItem public void setSelectedItem(TreeItem item, boolean fireEvents)(Code) Selects a specified item. Parameters:   item - the item to be selected, or null to deselect allitems Parameters:   fireEvents - true to allow selection events to be fired setTabIndex public void setTabIndex(int index)(Code) treeItemIterator public Iterator<TreeItem> treeItemIterator()(Code) Iterator of tree items. Methods inherited from com.google.gwt.user.client.ui.Widget protected void doAttachChildren()(Code)(Java Doc) protected void doDetachChildren()(Code)(Java Doc) Object getLayoutData()(Code)(Java Doc) public Widget getParent()(Code)(Java Doc) public boolean isAttached()(Code)(Java Doc) protected void onAttach()(Code)(Java Doc) public void onBrowserEvent(Event event)(Code)(Java Doc) protected void onDetach()(Code)(Java Doc) protected void onLoad()(Code)(Java Doc) protected void onUnload()(Code)(Java Doc) public void removeFromParent()(Code)(Java Doc) protected void setElement(Element elem)(Code)(Java Doc) void setLayoutData(Object layoutData)(Code)(Java Doc) void setParent(Widget parent)(Code)(Java Doc) Methods inherited from com.google.gwt.user.client.ui.UIObject public void addStyleDependentName(String styleSuffix)(Code)(Java Doc) public void addStyleName(String style)(Code)(Java Doc) public int getAbsoluteLeft()(Code)(Java Doc) public int getAbsoluteTop()(Code)(Java Doc) public Element getElement()(Code)(Java Doc) public int getOffsetHeight()(Code)(Java Doc) public int getOffsetWidth()(Code)(Java Doc) protected Element getStyleElement()(Code)(Java Doc) protected static String getStyleName(Element elem)(Code)(Java Doc) public String getStyleName()(Code)(Java Doc) protected static String getStylePrimaryName(Element elem)(Code)(Java Doc) public String getStylePrimaryName()(Code)(Java Doc) public String getTitle()(Code)(Java Doc) native public static boolean isVisible(Element elem)(Code)(Java Doc) public boolean isVisible()(Code)(Java Doc) public void removeStyleDependentName(String styleSuffix)(Code)(Java Doc) public void removeStyleName(String style)(Code)(Java Doc) protected void setElement(Element elem)(Code)(Java Doc) public void setHeight(String height)(Code)(Java Doc) public void setPixelSize(int width, int height)(Code)(Java Doc) public void setSize(String width, String height)(Code)(Java Doc) protected static void setStyleName(Element elem, String styleName)(Code)(Java Doc) protected static void setStyleName(Element elem, String style, boolean add)(Code)(Java Doc) public void setStyleName(String style)(Code)(Java Doc) protected static void setStylePrimaryName(Element elem, String style)(Code)(Java Doc) public void setStylePrimaryName(String style)(Code)(Java Doc) public void setTitle(String title)(Code)(Java Doc) native public static void setVisible(Element elem, boolean visible)(Code)(Java Doc) public void setVisible(boolean visible)(Code)(Java Doc) public void setWidth(String width)(Code)(Java Doc) public void sinkEvents(int eventBitsToAdd)(Code)(Java Doc) public String toString()(Code)(Java Doc) public void unsinkEvents(int eventBitsToRemove)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)