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java.lang.Objectcom.google.gwt.user.client.ui.UIObject
com.google.gwt.user.client.ui.Widget
com.extjs.gxt.ui.client.widget.Component
com.extjs.gxt.ui.client.widget.BoxComponent
com.extjs.gxt.ui.client.widget.Container<T>
com.extjs.gxt.ui.client.widget.ScrollContainer<Component>
com.extjs.gxt.ui.client.widget.LayoutContainer
com.extjs.gxt.ui.client.widget.Viewport
public class Viewport
A LayoutContainer that fills the browser window and monitors window resizing. Viewports are best used for applications that will fill the browser without window scrolling. Children of the viewport can allow scrolling.
Code snippet:Viewport viewport = new Viewport(); viewport.add(new ContentPanel(), new MarginData(10)); RootPanel.get().add(viewport);The viewport is not added to the root panel automatically. Is is not necessary to call
LayoutContainer.layout()
after adding the viewport to the
RootPanel. Layout will be called after being added to the root panel.
Nested Class Summary |
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Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject |
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com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled |
Field Summary |
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Fields inherited from class com.extjs.gxt.ui.client.widget.Container |
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attachChildren, enableLayout, layoutExecuted, layoutNeeded, layoutOnAttach, layoutOnChange |
Fields inherited from class com.extjs.gxt.ui.client.widget.BoxComponent |
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adjustSize, cacheSizes, ensureVisibilityOnSizing, height, lastSize, layer, shim, width |
Fields inherited from class com.extjs.gxt.ui.client.widget.Component |
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afterRender, attachables, baseStyle, disabled, disabledStyle, disableTextSelection, dummy, focusable, hidden, mask, maskMessage, maskMessageStyleName, monitorWindowResize, rendered, resizeHandler, setElementRender, stateId, swallowEvents, toolTip, windowResizeDelay, windowResizeTask |
Fields inherited from class com.google.gwt.user.client.ui.UIObject |
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DEBUG_ID_PREFIX |
Constructor Summary | |
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Viewport()
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Method Summary | |
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boolean |
getEnableScroll()
Returns the window resizing state. |
java.lang.String |
getLoadingPanelId()
The loading panel id. |
void |
onAttach()
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protected void |
onRender(com.google.gwt.user.client.Element parent,
int index)
Subclasses must override and ensure setElement is called for lazy rendered components. |
protected void |
onWindowResize(int width,
int height)
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void |
setEnableScroll(boolean enableScroll)
Sets whether window scrolling is enabled. |
void |
setLoadingPanelId(java.lang.String loadingPanelId)
The element id of the loading panel which will be hidden when the viewport is attached (defaults to 'loading'). |
Methods inherited from class com.extjs.gxt.ui.client.widget.LayoutContainer |
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add, add, addText, findComponent, getLayout, getLayoutTarget, getWindowResizeDelay, insert, insert, isLayoutOnChange, isMonitorWindowResize, layout, layout, onBlur, onComponentEvent, onFocus, remove, removeAll, setLayout, setLayoutData, setLayoutOnChange, setMonitorWindowResize, setWindowResizeDelay |
Methods inherited from class com.extjs.gxt.ui.client.widget.ScrollContainer |
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addScrollListener, afterRender, getHScrollPosition, getScrollMode, getVScrollPosition, removeScrollListener, scrollIntoView, setHScrollPosition, setScrollMode, setVScrollPosition |
Methods inherited from class com.extjs.gxt.ui.client.widget.Container |
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add, adjustIndex, adopt, createContainerEvent, disable, doAttachChildren, doDetachChildren, doLayout, doLayout, enable, findItem, getItem, getItemByItemId, getItemCount, getItems, getWidget, indexOf, insert, isLayoutNeeded, iterator, notifyHide, notifyShow, onAfterLayout, onBeforeLayoutExcecuted, onInsert, onLayoutExcecuted, onRemove, orphan, remove, remove, removeAll, scrollIntoView, setLayoutNeeded, wrapWidget |
Methods inherited from class com.extjs.gxt.ui.client.widget.BoxComponent |
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adjustPosition, adjustSize, createComponentEvent, getBounds, getHeight, getHeight, getPosition, getPositionEl, getResizeEl, getShadow, getShadowOffset, getShadowPosition, getSize, getWidth, getWidth, hideShadow, hideShim, hideUnders, isAutoHeight, isAutoWidth, isDeferHeight, isShim, onHide, onPosition, onResize, onShow, onUnload, setAutoHeight, setAutoWidth, setBounds, setBounds, setDeferHeight, setHeight, setHeight, setPagePosition, setPagePosition, setPixelSize, setPosition, setShadow, setShadowOffset, setShadowPosition, setShim, setSize, setSize, setWidth, setWidth, sync, syncSize |
Methods inherited from class com.google.gwt.user.client.ui.Widget |
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addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, setLayoutData |
Methods inherited from class com.google.gwt.user.client.ui.UIObject |
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addStyleDependentName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, isVisible, removeStyleDependentName, setElement, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setVisible, sinkBitlessEvent, unsinkEvents |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Viewport()
Method Detail |
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public boolean getEnableScroll()
public java.lang.String getLoadingPanelId()
public void onAttach()
onAttach
in class Container<Component>
public void setEnableScroll(boolean enableScroll)
enableScroll
- the window scroll statepublic void setLoadingPanelId(java.lang.String loadingPanelId)
loadingPanelId
- the loading panel element idprotected void onRender(com.google.gwt.user.client.Element parent, int index)
Component
onRender
in class LayoutContainer
parent
- the target elementindex
- the insert locationprotected void onWindowResize(int width, int height)
onWindowResize
in class Component
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