Class HueChooser

  • All Implemented Interfaces:
    IData<Double>, com.google.gwt.animation.client.AnimationScheduler.AnimationCallback, com.google.gwt.event.dom.client.HasAllDragAndDropHandlers, com.google.gwt.event.dom.client.HasAllFocusHandlers, com.google.gwt.event.dom.client.HasAllGestureHandlers, com.google.gwt.event.dom.client.HasAllKeyHandlers, com.google.gwt.event.dom.client.HasAllMouseHandlers, com.google.gwt.event.dom.client.HasAllTouchHandlers, com.google.gwt.event.dom.client.HasBlurHandlers, com.google.gwt.event.dom.client.HasClickHandlers, com.google.gwt.event.dom.client.HasDoubleClickHandlers, com.google.gwt.event.dom.client.HasDragEndHandlers, com.google.gwt.event.dom.client.HasDragEnterHandlers, com.google.gwt.event.dom.client.HasDragHandlers, com.google.gwt.event.dom.client.HasDragLeaveHandlers, com.google.gwt.event.dom.client.HasDragOverHandlers, com.google.gwt.event.dom.client.HasDragStartHandlers, com.google.gwt.event.dom.client.HasDropHandlers, com.google.gwt.event.dom.client.HasFocusHandlers, com.google.gwt.event.dom.client.HasGestureChangeHandlers, com.google.gwt.event.dom.client.HasGestureEndHandlers, com.google.gwt.event.dom.client.HasGestureStartHandlers, com.google.gwt.event.dom.client.HasKeyDownHandlers, com.google.gwt.event.dom.client.HasKeyPressHandlers, com.google.gwt.event.dom.client.HasKeyUpHandlers, com.google.gwt.event.dom.client.HasMouseDownHandlers, com.google.gwt.event.dom.client.HasMouseMoveHandlers, com.google.gwt.event.dom.client.HasMouseOutHandlers, com.google.gwt.event.dom.client.HasMouseOverHandlers, com.google.gwt.event.dom.client.HasMouseUpHandlers, com.google.gwt.event.dom.client.HasMouseWheelHandlers, com.google.gwt.event.dom.client.HasTouchCancelHandlers, com.google.gwt.event.dom.client.HasTouchEndHandlers, com.google.gwt.event.dom.client.HasTouchMoveHandlers, com.google.gwt.event.dom.client.HasTouchStartHandlers, com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.logical.shared.HasValueChangeHandlers<Double>, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.Focusable, com.google.gwt.user.client.ui.HasEnabled, com.google.gwt.user.client.ui.HasFocus, com.google.gwt.user.client.ui.HasVisibility, com.google.gwt.user.client.ui.IsWidget, com.google.gwt.user.client.ui.SourcesClickEvents, com.google.gwt.user.client.ui.SourcesFocusEvents, com.google.gwt.user.client.ui.SourcesKeyboardEvents, com.google.gwt.user.client.ui.SourcesMouseEvents

    public class HueChooser
    extends CanvasWidget
    implements com.google.gwt.event.logical.shared.HasValueChangeHandlers<Double>, IData<Double>
    HueChooser 色相选择
    Author:
    zhang
    • Nested Class Summary

      • Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

        com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled
    • Field Summary

      • Fields inherited from class com.google.gwt.user.client.ui.UIObject

        DEBUG_ID_PREFIX
    • Constructor Summary

      Constructors 
      Constructor Description
      HueChooser()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      com.google.gwt.event.shared.HandlerRegistration addValueChangeHandler​(com.google.gwt.event.logical.shared.ValueChangeHandler<Double> handler)  
      void draw()  
      Double getData()  
      protected void onDraw​(double timestamp)
      需要绘制画布
      protected void onLoad()  
      void setData​(Double obj)  
      void setPixelSize​(int width, int height)  
      • Methods inherited from class com.google.gwt.user.client.ui.FocusWidget

        addBlurHandler, addClickHandler, addClickListener, addDoubleClickHandler, addDragEndHandler, addDragEnterHandler, addDragHandler, addDragLeaveHandler, addDragOverHandler, addDragStartHandler, addDropHandler, addFocusHandler, addFocusListener, addGestureChangeHandler, addGestureEndHandler, addGestureStartHandler, addKeyboardListener, addKeyDownHandler, addKeyPressHandler, addKeyUpHandler, addMouseDownHandler, addMouseListener, addMouseMoveHandler, addMouseOutHandler, addMouseOverHandler, addMouseUpHandler, addMouseWheelHandler, addMouseWheelListener, addTouchCancelHandler, addTouchEndHandler, addTouchMoveHandler, addTouchStartHandler, getFocusImpl, getTabIndex, isEnabled, onAttach, removeClickListener, removeFocusListener, removeKeyboardListener, removeMouseListener, removeMouseWheelListener, setAccessKey, setEnabled, setFocus, setTabIndex
      • Methods inherited from class com.google.gwt.user.client.ui.Widget

        addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, doAttachChildren, doDetachChildren, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onBrowserEvent, onDetach, removeFromParent, setLayoutData, sinkEvents, unsinkEvents
      • Methods inherited from class com.google.gwt.user.client.ui.UIObject

        addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString
      • Methods inherited from interface com.google.gwt.event.shared.HasHandlers

        fireEvent
    • Constructor Detail

      • HueChooser

        public HueChooser()
    • Method Detail

      • draw

        public void draw()
      • onDraw

        protected void onDraw​(double timestamp)
        Description copied from class: CanvasWidget
        需要绘制画布
        Overrides:
        onDraw in class CanvasWidget
      • addValueChangeHandler

        public com.google.gwt.event.shared.HandlerRegistration addValueChangeHandler​(com.google.gwt.event.logical.shared.ValueChangeHandler<Double> handler)
        Specified by:
        addValueChangeHandler in interface com.google.gwt.event.logical.shared.HasValueChangeHandlers<Double>