Commit 720e8af7 authored by Sebastian Pretscher's avatar Sebastian Pretscher

Added a multipage editor to do some tests

parent ea498e6e
Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: CupPlugin
Bundle-SymbolicName: CupPlugin;singleton:=true
Bundle-SymbolicName: de.tum.in.www2.CupPlugin;singleton:=true
Bundle-Version: 0.0.0.qualifier
Bundle-Activator: cupplugin.Activator
Bundle-Vendor: de.tum.in.www2
Require-Bundle: org.eclipse.ui,
org.eclipse.core.runtime
org.eclipse.core.runtime,
org.eclipse.jface.text,
org.eclipse.core.resources,
org.eclipse.ui.editors,
org.eclipse.ui.ide
Bundle-RequiredExecutionEnvironment: JavaSE-1.8
Bundle-ActivationPolicy: lazy
......@@ -26,5 +26,16 @@
</action>
</actionSet>
</extension>
<extension
point="org.eclipse.ui.editors">
<editor
class="de.tum.in.www2.cupplugin.editors.MultiPageEditor"
contributorClass="de.tum.in.www2.cupplugin.editors.MultiPageEditorContributor"
extensions="cup"
icon="icons/sample.gif"
id="de.tum.in.www2.cupplugin.editors.MultiPageEditor"
name="Cup Multipage Editor">
</editor>
</extension>
</plugin>
package de.tum.in.www2.cupplugin.editors;
import java.io.StringWriter;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.StringTokenizer;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FontDialog;
import org.eclipse.ui.*;
import org.eclipse.ui.editors.text.TextEditor;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.MultiPageEditorPart;
import org.eclipse.ui.ide.IDE;
/**
* An example showing how to create a multi-page editor.
* This example has 3 pages:
* <ul>
* <li>page 0 contains a nested text editor.
* <li>page 1 allows you to change the font used in page 2
* <li>page 2 shows the words in page 0 in sorted order
* </ul>
*/
public class MultiPageEditor extends MultiPageEditorPart implements IResourceChangeListener{
/** The text editor used in page 0. */
private TextEditor editor;
/** The font chosen in page 1. */
private Font font;
/** The text widget used in page 2. */
private StyledText text;
/**
* Creates a multi-page editor example.
*/
public MultiPageEditor() {
super();
ResourcesPlugin.getWorkspace().addResourceChangeListener(this);
}
/**
* Creates page 0 of the multi-page editor,
* which contains a text editor.
*/
void createPage0() {
try {
editor = new TextEditor();
int index = addPage(editor, getEditorInput());
setPageText(index, editor.getTitle());
} catch (PartInitException e) {
ErrorDialog.openError(
getSite().getShell(),
"Error creating nested text editor",
null,
e.getStatus());
}
}
/**
* Creates page 1 of the multi-page editor,
* which allows you to change the font used in page 2.
*/
void createPage1() {
Composite composite = new Composite(getContainer(), SWT.NONE);
GridLayout layout = new GridLayout();
composite.setLayout(layout);
layout.numColumns = 2;
Button fontButton = new Button(composite, SWT.NONE);
GridData gd = new GridData(GridData.BEGINNING);
gd.horizontalSpan = 2;
fontButton.setLayoutData(gd);
fontButton.setText("Change Font...");
fontButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
setFont();
}
});
int index = addPage(composite);
setPageText(index, "Properties");
}
/**
* Creates page 2 of the multi-page editor,
* which shows the sorted text.
*/
void createPage2() {
Composite composite = new Composite(getContainer(), SWT.NONE);
FillLayout layout = new FillLayout();
composite.setLayout(layout);
text = new StyledText(composite, SWT.H_SCROLL | SWT.V_SCROLL);
text.setEditable(false);
int index = addPage(composite);
setPageText(index, "Preview");
}
/**
* Creates the pages of the multi-page editor.
*/
protected void createPages() {
createPage0();
createPage1();
createPage2();
}
/**
* The <code>MultiPageEditorPart</code> implementation of this
* <code>IWorkbenchPart</code> method disposes all nested editors.
* Subclasses may extend.
*/
public void dispose() {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
super.dispose();
}
/**
* Saves the multi-page editor's document.
*/
public void doSave(IProgressMonitor monitor) {
getEditor(0).doSave(monitor);
}
/**
* Saves the multi-page editor's document as another file.
* Also updates the text for page 0's tab, and updates this multi-page editor's input
* to correspond to the nested editor's.
*/
public void doSaveAs() {
IEditorPart editor = getEditor(0);
editor.doSaveAs();
setPageText(0, editor.getTitle());
setInput(editor.getEditorInput());
}
/* (non-Javadoc)
* Method declared on IEditorPart
*/
public void gotoMarker(IMarker marker) {
setActivePage(0);
IDE.gotoMarker(getEditor(0), marker);
}
/**
* The <code>MultiPageEditorExample</code> implementation of this method
* checks that the input is an instance of <code>IFileEditorInput</code>.
*/
public void init(IEditorSite site, IEditorInput editorInput)
throws PartInitException {
if (!(editorInput instanceof IFileEditorInput))
throw new PartInitException("Invalid Input: Must be IFileEditorInput");
super.init(site, editorInput);
}
/* (non-Javadoc)
* Method declared on IEditorPart.
*/
public boolean isSaveAsAllowed() {
return true;
}
/**
* Calculates the contents of page 2 when the it is activated.
*/
protected void pageChange(int newPageIndex) {
super.pageChange(newPageIndex);
if (newPageIndex == 2) {
sortWords();
}
}
/**
* Closes all project files on project close.
*/
public void resourceChanged(final IResourceChangeEvent event){
if(event.getType() == IResourceChangeEvent.PRE_CLOSE){
Display.getDefault().asyncExec(new Runnable(){
public void run(){
IWorkbenchPage[] pages = getSite().getWorkbenchWindow().getPages();
for (int i = 0; i<pages.length; i++){
if(((FileEditorInput)editor.getEditorInput()).getFile().getProject().equals(event.getResource())){
IEditorPart editorPart = pages[i].findEditor(editor.getEditorInput());
pages[i].closeEditor(editorPart,true);
}
}
}
});
}
}
/**
* Sets the font related data to be applied to the text in page 2.
*/
void setFont() {
FontDialog fontDialog = new FontDialog(getSite().getShell());
fontDialog.setFontList(text.getFont().getFontData());
FontData fontData = fontDialog.open();
if (fontData != null) {
if (font != null)
font.dispose();
font = new Font(text.getDisplay(), fontData);
text.setFont(font);
}
}
/**
* Sorts the words in page 0, and shows them in page 2.
*/
void sortWords() {
String editorText =
editor.getDocumentProvider().getDocument(editor.getEditorInput()).get();
StringTokenizer tokenizer =
new StringTokenizer(editorText, " \t\n\r\f!@#\u0024%^&*()-_=+`~[]{};:'\",.<>/?|\\");
ArrayList editorWords = new ArrayList();
while (tokenizer.hasMoreTokens()) {
editorWords.add(tokenizer.nextToken());
}
Collections.sort(editorWords, Collator.getInstance());
StringWriter displayText = new StringWriter();
for (int i = 0; i < editorWords.size(); i++) {
displayText.write(((String) editorWords.get(i)));
displayText.write(System.getProperty("line.separator"));
}
text.setText(displayText.toString());
}
}
package de.tum.in.www2.cupplugin.editors;
import org.eclipse.jface.action.*;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.ide.IDEActionFactory;
import org.eclipse.ui.part.MultiPageEditorActionBarContributor;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;
/**
* Manages the installation/deinstallation of global actions for multi-page editors.
* Responsible for the redirection of global actions to the active editor.
* Multi-page contributor replaces the contributors for the individual editors in the multi-page editor.
*/
public class MultiPageEditorContributor extends MultiPageEditorActionBarContributor {
private IEditorPart activeEditorPart;
private Action sampleAction;
/**
* Creates a multi-page contributor.
*/
public MultiPageEditorContributor() {
super();
createActions();
}
/**
* Returns the action registed with the given text editor.
* @return IAction or null if editor is null.
*/
protected IAction getAction(ITextEditor editor, String actionID) {
return (editor == null ? null : editor.getAction(actionID));
}
/* (non-JavaDoc)
* Method declared in AbstractMultiPageEditorActionBarContributor.
*/
public void setActivePage(IEditorPart part) {
if (activeEditorPart == part)
return;
activeEditorPart = part;
IActionBars actionBars = getActionBars();
if (actionBars != null) {
ITextEditor editor = (part instanceof ITextEditor) ? (ITextEditor) part : null;
actionBars.setGlobalActionHandler(
ActionFactory.DELETE.getId(),
getAction(editor, ITextEditorActionConstants.DELETE));
actionBars.setGlobalActionHandler(
ActionFactory.UNDO.getId(),
getAction(editor, ITextEditorActionConstants.UNDO));
actionBars.setGlobalActionHandler(
ActionFactory.REDO.getId(),
getAction(editor, ITextEditorActionConstants.REDO));
actionBars.setGlobalActionHandler(
ActionFactory.CUT.getId(),
getAction(editor, ITextEditorActionConstants.CUT));
actionBars.setGlobalActionHandler(
ActionFactory.COPY.getId(),
getAction(editor, ITextEditorActionConstants.COPY));
actionBars.setGlobalActionHandler(
ActionFactory.PASTE.getId(),
getAction(editor, ITextEditorActionConstants.PASTE));
actionBars.setGlobalActionHandler(
ActionFactory.SELECT_ALL.getId(),
getAction(editor, ITextEditorActionConstants.SELECT_ALL));
actionBars.setGlobalActionHandler(
ActionFactory.FIND.getId(),
getAction(editor, ITextEditorActionConstants.FIND));
actionBars.setGlobalActionHandler(
IDEActionFactory.BOOKMARK.getId(),
getAction(editor, IDEActionFactory.BOOKMARK.getId()));
actionBars.updateActionBars();
}
}
private void createActions() {
sampleAction = new Action() {
public void run() {
MessageDialog.openInformation(null, "CupPlugin", "Sample Action Executed");
}
};
sampleAction.setText("Sample Action");
sampleAction.setToolTipText("Sample Action tool tip");
sampleAction.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
getImageDescriptor(IDE.SharedImages.IMG_OBJS_TASK_TSK));
}
public void contributeToMenu(IMenuManager manager) {
IMenuManager menu = new MenuManager("Editor &Menu");
manager.prependToGroup(IWorkbenchActionConstants.MB_ADDITIONS, menu);
menu.add(sampleAction);
}
public void contributeToToolBar(IToolBarManager manager) {
manager.add(new Separator());
manager.add(sampleAction);
}
}
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