uk.ac.kcl.cch.jb.pliny.pdfAnnot
Class PDFEditor

java.lang.Object
  org.eclipse.core.commands.common.EventManager
      org.eclipse.ui.part.WorkbenchPart
          org.eclipse.ui.part.EditorPart
              org.eclipse.ui.part.MultiPageEditorPart
                  uk.ac.kcl.cch.jb.pliny.pdfAnnot.PDFEditor

All Implemented Interfaces:

org.eclipse.gef.commands.CommandStackListener, EventListener, org.eclipse.core.runtime.IAdaptable, org.eclipse.ui.IEditorPart, org.eclipse.core.runtime.IExecutableExtension, IHandlesAnnotations, IPageSettableEditorPart, IResourceDrivenPart, org.eclipse.ui.ISaveablePart, org.eclipse.jface.viewers.ISelectionChangedListener, org.eclipse.ui.IWorkbenchPart, org.eclipse.ui.IWorkbenchPart2, org.eclipse.ui.part.IWorkbenchPartOrientation, PropertyChangeListener

public class PDFEditor

extends org.eclipse.ui.part.MultiPageEditorPart

implements PropertyChangeListener, IResourceDrivenPart, IPageSettableEditorPart, org.eclipse.jface.viewers.ISelectionChangedListener, org.eclipse.gef.commands.CommandStackListener, IHandlesAnnotations

the EditPart for the PDF annotator. Much of this code is taken directly from JPedal's example of how to use their PDF browser in an Eclipse environment. The annotation area is a GEF-managed object, as elsewhere.

A problem to making this code work is that JPedal's code really works within the AWT/Swing model, and here we must be in the SWT model. After trying various ways to make the two live together I ended up using JPedal's component for making an image of a page, which I then converted to an SWT image! See the utility class that does this conversion in SwtImageFromPdf. Since each PDF page is presented to this editor as an image, there are many echos here between this code and the code for the Pliny ImageEditor.

Author:

John Bradley

Field Summary

static boolean

debug

Fields inherited from interface org.eclipse.ui.IWorkbenchPart

PROP_TITLE

Fields inherited from interface org.eclipse.ui.IEditorPart

PROP_DIRTY, PROP_INPUT

Constructor Summary

PDFEditor()

Method Summary

void	commandStackChanged(EventObject event)
protected void	createActions()
protected void	createPages() This is a callback that will allow us to create the viewer and initialize it.
protected void	displayPage(int newPage)
void	dispose()
void	doSave(org.eclipse.core.runtime.IProgressMonitor monitor)
void	doSaveAs()
protected org.eclipse.gef.ui.actions.ActionRegistry	getActionRegistry()
Object	getAdapter(Class key)
org.eclipse.gef.commands.CommandStack	getCommandStack()
org.eclipse.gef.EditDomain	getEditDomain()
Resource	getMyResource() returns the Resource that this part is currently using as its input.
org.jpedal.PdfDecoder	getPdfDecoder()
void	init(org.eclipse.ui.IEditorSite site, org.eclipse.ui.IEditorInput input)
boolean	isDirty()
boolean	isSaveAsAllowed()
void	propertyChange(PropertyChangeEvent arg0)
void	selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent event)
void	setFocus() Passing the focus request to the viewer's control.
void	turnToPage(int pageNo) causes the implementor to turn to the given page in its display.
void	updateCommandStackActions()
void	zoom(float scale)

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

addPage, addPage, addPage, addPage, createPageContainer, createPartControl, createSite, getActiveEditor, getActivePage, getContainer, getControl, getEditor, getPageCount, getPageImage, getPageText, handlePropertyChange, pageChange, removePage, setActivePage, setControl, setPageImage, setPageText

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

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

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

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

Methods inherited from class org.eclipse.core.commands.common.EventManager

addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

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, createPartControl, getSite, getTitle, getTitleImage, getTitleToolTip, removePropertyListener

Methods inherited from interface org.eclipse.ui.IEditorPart

getEditorInput, getEditorSite

Methods inherited from interface org.eclipse.ui.ISaveablePart

isSaveOnCloseNeeded

Field Detail

debug

public static final boolean debug

See Also:

Constant Field Values

Constructor Detail

PDFEditor

public PDFEditor()

Method Detail

doSave

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

Specified by:

doSave in interface org.eclipse.ui.ISaveablePart

doSaveAs

public void doSaveAs()

Specified by:

doSaveAs in interface org.eclipse.ui.ISaveablePart

init

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

Specified by:

init in interface org.eclipse.ui.IEditorPart

Throws:

org.eclipse.ui.PartInitException

dispose

public void dispose()

Specified by:

dispose in interface org.eclipse.ui.IWorkbenchPart

isDirty

public boolean isDirty()

Specified by:

isDirty in interface org.eclipse.ui.ISaveablePart

isSaveAsAllowed

public boolean isSaveAsAllowed()

Specified by:

isSaveAsAllowed in interface org.eclipse.ui.ISaveablePart

createPages

protected void createPages()

This is a callback that will allow us to create the viewer and initialize it.

getEditDomain

public org.eclipse.gef.EditDomain getEditDomain()

getCommandStack

public org.eclipse.gef.commands.CommandStack getCommandStack()

getActionRegistry

protected org.eclipse.gef.ui.actions.ActionRegistry getActionRegistry()

createActions

protected void createActions()

zoom

public void zoom(float scale)

displayPage

protected void displayPage(int newPage)

setFocus

public void setFocus()

Passing the focus request to the viewer's control.

Specified by:

setFocus in interface org.eclipse.ui.IWorkbenchPart

getAdapter

public Object getAdapter(Class key)

Specified by:

getAdapter in interface org.eclipse.core.runtime.IAdaptable

propertyChange

public void propertyChange(PropertyChangeEvent arg0)

Specified by:

propertyChange in interface PropertyChangeListener

getMyResource

public Resource getMyResource()

Description copied from interface: IResourceDrivenPart

returns the Resource that this part is currently using as its input.

Specified by:

getMyResource in interface IResourceDrivenPart

Returns:

Resource

commandStackChanged

public void commandStackChanged(EventObject event)

Specified by:

commandStackChanged in interface org.eclipse.gef.commands.CommandStackListener

updateCommandStackActions

public void updateCommandStackActions()

selectionChanged

public void selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent event)

Specified by:

selectionChanged in interface org.eclipse.jface.viewers.ISelectionChangedListener

turnToPage

public void turnToPage(int pageNo)

Description copied from interface: IPageSettableEditorPart

causes the implementor to turn to the given page in its display.

Specified by:

turnToPage in interface IPageSettableEditorPart

Parameters:

pageNo - int the requested page number.

getPdfDecoder

public org.jpedal.PdfDecoder getPdfDecoder()