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com.port80.draw2d.imageviewer.views
Class ImageViewer  

java.lang.Object
  org.eclipse.ui.part.WorkbenchPart
      org.eclipse.ui.part.EditorPart
          com.port80.draw2d.imageviewer.views.ImageViewer

All Implemented Interfaces:

org.eclipse.core.runtime.IAdaptable, org.eclipse.ui.IEditorPart, org.eclipse.core.runtime.IExecutableExtension, org.eclipse.ui.ISaveablePart, org.eclipse.ui.IWorkbenchPart, org.eclipse.ui.IWorkbenchPart2

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public class ImageViewer

extends org.eclipse.ui.part.EditorPart

An image viewer that construct visible region of the image on the fly.

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Nested Class Summary
private  class	ImageViewer.DefaultMouseHandler

 

Field Summary
private static boolean	DEBUG
private  FigureCanvas	fCanvas
private static org.eclipse.swt.graphics.Cursor	fCursorWait
private  java.lang.String	fFilepath
private  org.eclipse.swt.graphics.ImageData[]	fImageData
private  Label	fLabel
private  float	fLoadTime
private  ImageViewport	fViewport
private static java.lang.String	NAME

 

Fields inherited from class org.eclipse.ui.part.EditorPart

 

Fields inherited from class org.eclipse.ui.part.WorkbenchPart

 

Fields inherited from interface org.eclipse.ui.IEditorPart

PROP_DIRTY, PROP_INPUT

 

Fields inherited from interface org.eclipse.ui.IWorkbenchPart

PROP_TITLE

 

Constructor Summary

ImageViewer()           Creates a multi-page editor example.

 

Method Summary
private static java.lang.String	_(java.lang.String s)
void	createPartControl(org.eclipse.swt.widgets.Composite parent)           Creates the SWT controls for this workbench part.
void	displayImage(org.eclipse.swt.graphics.ImageData imagedata)
void	doSave(org.eclipse.core.runtime.IProgressMonitor monitor)           Saves the contents of this part.
void	doSaveAs()           Saves the contents of this part to another object.
(package private)  FigureCanvas	getCanvas()
(package private)  org.eclipse.swt.graphics.ImageData	getImageData()
void	gotoMarker(org.eclipse.core.resources.IMarker marker)
void	init(org.eclipse.ui.IEditorSite site, org.eclipse.ui.IEditorInput input)           Initializes this editor with the given editor site and input.
boolean	isDirty()           Returns whether the contents of this part have changed since the last save operation.
boolean	isSaveAsAllowed()           Returns whether the "Save As" operation is supported by this part.
void	openFile(java.lang.String filename)
void	setFocus()           Asks this part to take focus within the workbench.
private  void	showErrorDialog(java.lang.String title, java.lang.String message)

 

Methods inherited from class org.eclipse.ui.part.EditorPart

getEditorInput, getEditorSite, getTitleToolTip, isSaveOnCloseNeeded, setContentDescription, setInitializationData, setInput, setPartName

 

Methods inherited from class org.eclipse.ui.part.WorkbenchPart

addPropertyListener, dispose, firePropertyChange, getAdapter, getConfigurationElement, getContentDescription, getDefaultImage, getPartName, getSite, getTitle, getTitleImage, removePropertyListener, setSite, setTitle, setTitleImage, setTitleToolTip, showBusy

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Methods inherited from interface org.eclipse.ui.IWorkbenchPart

addPropertyListener, dispose, getSite, getTitle, getTitleImage, removePropertyListener

 

Methods inherited from interface org.eclipse.core.runtime.IAdaptable

getAdapter

 

Field Detail

NAME

private static final java.lang.String NAME

See Also:

Constant Field Values

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DEBUG

private static final boolean DEBUG

See Also:

Constant Field Values

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fCursorWait

private static final org.eclipse.swt.graphics.Cursor fCursorWait

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fCanvas

private FigureCanvas fCanvas

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fLabel

private Label fLabel

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fImageData

private org.eclipse.swt.graphics.ImageData[] fImageData

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fViewport

private ImageViewport fViewport

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fFilepath

private java.lang.String fFilepath

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fLoadTime

private float fLoadTime

Constructor Detail

ImageViewer

public ImageViewer()

Creates a multi-page editor example.

Method Detail

init

public void init(org.eclipse.ui.IEditorSite site,
                 org.eclipse.ui.IEditorInput input)
          throws org.eclipse.ui.PartInitException

Description copied from interface: org.eclipse.ui.IEditorPart

Initializes this editor with the given editor site and input.

This method is automatically called shortly after the part is instantiated. It marks the start of the part's lifecycle. The IWorkbenchPart.dispose 55 method will be called automically at the end of the lifecycle. Clients must not call this method.

Implementors of this method must examine the editor input object type to determine if it is understood. If not, the implementor must throw a PartInitException

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isDirty

public boolean isDirty()

Description copied from interface: org.eclipse.ui.ISaveablePart

Returns whether the contents of this part have changed since the last save operation. If this value changes the part must fire a property listener event with PROP_DIRTY.

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isSaveAsAllowed

public boolean isSaveAsAllowed()

Description copied from interface: org.eclipse.ui.ISaveablePart

Returns whether the "Save As" operation is supported by this part.

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createPartControl

public void createPartControl(org.eclipse.swt.widgets.Composite parent)

Description copied from interface: org.eclipse.ui.IWorkbenchPart

Creates the SWT controls for this workbench part.

Clients should not call this method (the workbench calls this method when it needs to, which may be never).

For implementors this is a multi-step process:

1. Create one or more controls within the parent.
2. Set the parent layout as needed.
3. Register any global actions with the IActionService.
4. Register any popup menus with the IActionService.
5. Register a selection provider with the ISelectionService (optional).

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setFocus

public void setFocus()

Description copied from interface: org.eclipse.ui.IWorkbenchPart

Asks this part to take focus within the workbench.

Clients should not call this method (the workbench calls this method at appropriate times). To have the workbench activate a part, use IWorkbenchPage.activate(IWorkbenchPart) instead.

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doSave

public void doSave(org.eclipse.core.runtime.IProgressMonitor monitor)

Description copied from interface: org.eclipse.ui.ISaveablePart

Saves the contents of this part.

If the save is successful, the part should fire a property changed event reflecting the new dirty state (PROP_DIRTY property).

If the save is cancelled through user action, or for any other reason, the part should invoke setCancelled on the IProgressMonitor to inform the caller.

This method is long-running; progress and cancellation are provided by the given progress monitor.

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doSaveAs

public void doSaveAs()

Description copied from interface: org.eclipse.ui.ISaveablePart

Saves the contents of this part to another object.

Implementors are expected to open a "Save As" dialog where the user will be able to select a new name for the contents. After the selection is made, the contents should be saved to that new name. During this operation a IProgressMonitor should be used to indicate progress.

If the save is successful, the part fires a property changed event reflecting the new dirty state (PROP_DIRTY property).

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gotoMarker

public void gotoMarker(org.eclipse.core.resources.IMarker marker)

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openFile

public void openFile(java.lang.String filename)

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displayImage

public void displayImage(org.eclipse.swt.graphics.ImageData imagedata)

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showErrorDialog

private final void showErrorDialog(java.lang.String title,
                                   java.lang.String message)

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_

private static final java.lang.String _(java.lang.String s)

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getCanvas

FigureCanvas getCanvas()

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getImageData

org.eclipse.swt.graphics.ImageData getImageData()

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