Class DragScroll
- java.lang.Object
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- org.faceless.pdf2.viewer2.ViewerFeature
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- org.faceless.pdf2.viewer2.ViewerWidget
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- org.faceless.pdf2.viewer2.ToggleViewerWidget
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- org.faceless.pdf2.viewer2.feature.DragScroll
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- All Implemented Interfaces:
DocumentPanelListener
public class DragScroll extends ToggleViewerWidget implements DocumentPanelListener
This widget allows the document to be dragged and scrolled. This widget is selected by default if no other items in its group are selected. The name of this feature is DragScrollThis code is copyright the Big Faceless Organization. You're welcome to use, modify and distribute it in any form in your own projects, provided those projects continue to make use of the Big Faceless PDF library.
- Since:
- 2.8.5
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Field Summary
Fields Modifier and Type Field Description static String
GROUP
The name of theToggleViewerWidget
Group that this widget is a part of.-
Fields inherited from class org.faceless.pdf2.viewer2.ViewerWidget
propertyChangeSupport
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Constructor Summary
Constructors Constructor Description DragScroll()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
action(ViewerEvent event)
Toggle the active state of this widget by callingToggleViewerWidget.setSelected(boolean)
void
documentUpdated(DocumentPanelEvent event)
Called when anDocumentPanelEvent
is raisedvoid
initialize(PDFViewer viewer)
Called when the feature is first added to a viewerprotected void
updateViewport(DocumentViewport vp, boolean selected)
Called fromToggleViewerWidget.setSelected(boolean)
, this method is called in each viewport in use by thePDFViewer
orDocumentPanel
so it can update its status.-
Methods inherited from class org.faceless.pdf2.viewer2.ToggleViewerWidget
getGroupName, getGroupOwner, getGroupSelection, getWidgets, isSelected, setGroupOwner, setSelected, teardown
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Methods inherited from class org.faceless.pdf2.viewer2.ViewerWidget
addPropertyChangeListener, createActionListener, firePropertyChange, getComponent, getIcon, getViewer, isButtonEnabledByDefault, isDocumentRequired, isMenuEnabledByDefault, removePropertyChangeListener, setButton, setComponent, setDocumentRequired, setMenu, setMenu, setToolBarEnabled, setToolBarEnabledAlways, setToolBarFloatable, setToolBarFloating, toString
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Methods inherited from class org.faceless.pdf2.viewer2.ViewerFeature
getAllEnabledFeatures, getAllFeatures, getCustomJavaScript, getFeatureProperty, getFeatureURLProperty, getName, isEnabledByDefault, setFeatureName
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Field Detail
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GROUP
public static final String GROUP
The name of theToggleViewerWidget
Group that this widget is a part of. All other widgets that want to control actions on the DocumentViewport itself should be a part of this group.- See Also:
- Constant Field Values
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Method Detail
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initialize
public void initialize(PDFViewer viewer)
Description copied from class:ViewerFeature
Called when the feature is first added to a viewer- Overrides:
initialize
in classToggleViewerWidget
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action
public void action(ViewerEvent event)
Description copied from class:ToggleViewerWidget
Toggle the active state of this widget by callingToggleViewerWidget.setSelected(boolean)
- Overrides:
action
in classToggleViewerWidget
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updateViewport
protected void updateViewport(DocumentViewport vp, boolean selected)
Description copied from class:ToggleViewerWidget
Called fromToggleViewerWidget.setSelected(boolean)
, this method is called in each viewport in use by thePDFViewer
orDocumentPanel
so it can update its status. By default it is a no-op.- Overrides:
updateViewport
in classToggleViewerWidget
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documentUpdated
public void documentUpdated(DocumentPanelEvent event)
Description copied from interface:DocumentPanelListener
Called when anDocumentPanelEvent
is raised- Specified by:
documentUpdated
in interfaceDocumentPanelListener
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