/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
package org.epic.perleditor.templates.preferences;
import java.util.*;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.*;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.*;
import org.eclipse.jface.text.contentassist.*;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.custom.VerifyKeyListener;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;
import org.eclipse.ui.texteditor.IUpdate;
import org.epic.perleditor.PerlEditorPlugin;
import org.epic.perleditor.editors.*;
import org.epic.perleditor.preferences.PreferenceConstants;
import org.epic.perleditor.templates.*;
import org.epic.perleditor.templates.ui.dialog.StatusDialog;
import org.epic.perleditor.templates.ui.dialog.StatusInfo;
import org.epic.perleditor.templates.ui.util.SWTUtil;
/**
* Dialog to edit a template.
*/
public class EditTemplateDialog extends StatusDialog {
private static class SimpleJavaSourceViewerConfiguration extends PerlSourceViewerConfiguration {
private final IContentAssistProcessor fProcessor;
//SimpleJavaSourceViewerConfiguration(JavaTextTools tools, ITextEditor editor, IContentAssistProcessor processor) {
SimpleJavaSourceViewerConfiguration(IContentAssistProcessor processor) {
// TODO CHANGED
//super(tools, null);
super(PerlEditorPlugin.getDefault().getPreferenceStore(), null);
fProcessor= processor;
}
/*
* @see SourceViewerConfiguration#getContentAssistant(ISourceViewer)
*/
public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
IPreferenceStore store= PerlEditorPlugin.getDefault().getPreferenceStore();
ContentAssistant assistant= new ContentAssistant();
assistant.setContentAssistProcessor(fProcessor, IDocument.DEFAULT_CONTENT_TYPE);
// Register the same processor for strings and single line comments to get code completion at the start of those partitions.
// assistant.setContentAssistProcessor(fProcessor, JavaPartitionScanner.PHP_STRING);
// assistant.setContentAssistProcessor(fProcessor, JavaPartitionScanner.JAVA_SINGLE_LINE_COMMENT);
//
// assistant.setContentAssistProcessor(fProcessor, JavaPartitionScanner.JAVA_DOC);
// assistant.enableAutoInsert(store.getBoolean(ContentAssistPreference.AUTOINSERT));
// assistant.enableAutoActivation(store.getBoolean(ContentAssistPreference.AUTOACTIVATION));
// assistant.setAutoActivationDelay(store.getInt(ContentAssistPreference.AUTOACTIVATION_DELAY));
assistant.setProposalPopupOrientation(IContentAssistant.PROPOSAL_OVERLAY);
assistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
// assistant.setInformationControlCreator(getInformationControlCreator(sourceViewer));
Display display= sourceViewer.getTextWidget().getDisplay();
//Color background= createColor(store, IPreferenceConstants.PROPOSALS_BACKGROUND, display);
//Color background= createColor(store, PreferenceConstants.EDITOR_BACKGROUND_COLOR, display);
Color background = PerlEditorPlugin.getDefault().getColor(new RGB(254, 241, 233));
assistant.setContextInformationPopupBackground(background);
assistant.setContextSelectorBackground(background);
assistant.setProposalSelectorBackground(background);
//Color foreground= createColor(store, IPreferenceConstants.PROPOSALS_FOREGROUND, display);
Color foreground= createColor(store, PreferenceConstants.EDITOR_FOREGROUND_COLOR, display);
assistant.setContextInformationPopupForeground(foreground);
assistant.setContextSelectorForeground(foreground);
assistant.setProposalSelectorForeground(foreground);
return assistant;
}
/**
* Creates a color from the information stored in the given preference store.
* Returns <code>null</code> if there is no such information available.
*/
private Color createColor(IPreferenceStore store, String key, Display display) {
RGB rgb= null;
if (store.contains(key)) {
if (store.isDefault(key))
rgb= PreferenceConverter.getDefaultColor(store, key);
else
rgb= PreferenceConverter.getColor(store, key);
if (rgb != null)
return new Color(display, rgb);
}
return null;
}
}
private static class TextViewerAction extends Action implements IUpdate {
private int fOperationCode= -1;
private ITextOperationTarget fOperationTarget;
public TextViewerAction(ITextViewer viewer, int operationCode) {
fOperationCode= operationCode;
fOperationTarget= viewer.getTextOperationTarget();
update();
}
/**
* Updates the enabled state of the action.
* Fires a property change if the enabled state changes.
*
* @see Action#firePropertyChange(String, Object, Object)
*/
public void update() {
boolean wasEnabled= isEnabled();
boolean isEnabled= (fOperationTarget != null && fOperationTarget.canDoOperation(fOperationCode));
setEnabled(isEnabled);
if (wasEnabled != isEnabled) {
firePropertyChange(ENABLED, wasEnabled ? Boolean.TRUE : Boolean.FALSE, isEnabled ? Boolean.TRUE : Boolean.FALSE);
}
}
/**
* @see Action#run()
*/
public void run() {
if (fOperationCode != -1 && fOperationTarget != null) {
fOperationTarget.doOperation(fOperationCode);
}
}
}
private final Template fTemplate;
private Text fNameText;
private Text fDescriptionText;
private Combo fContextCombo;
private SourceViewer fPatternEditor;
private Button fInsertVariableButton;
private TemplateTranslator fTranslator= new TemplateTranslator();
private boolean fSuppressError= true; // #4354
private Map fGlobalActions= new HashMap(10);
private List fSelectionActions = new ArrayList(3);
private Vector fContextTypes= new Vector();
private final TemplateVariableProcessor fProcessor= new TemplateVariableProcessor();
public EditTemplateDialog(Shell parent, Template template, boolean edit) {
super(parent);
setShellStyle(getShellStyle() | SWT.MAX | SWT.RESIZE);
String title= edit
? TemplateMessages.getString("EditTemplateDialog.title.edit") //$NON-NLS-1$
: TemplateMessages.getString("EditTemplateDialog.title.new"); //$NON-NLS-1$
setTitle(title);
fTemplate= template;
ContextTypeRegistry registry= ContextTypeRegistry.getInstance();
for (Iterator iterator= registry.iterator(); iterator.hasNext(); )
fContextTypes.add(iterator.next());
if (fContextTypes.size() > 0)
fProcessor.setContextType(ContextTypeRegistry.getInstance().getContextType((String) fContextTypes.get(0)));
}
/*
* @see Dialog#createDialogArea(Composite)
*/
protected Control createDialogArea(Composite ancestor) {
Composite parent= new Composite(ancestor, SWT.NONE);
GridLayout layout= new GridLayout();
layout.numColumns= 2;
parent.setLayout(layout);
parent.setLayoutData(new GridData(GridData.FILL_BOTH));
createLabel(parent, TemplateMessages.getString("EditTemplateDialog.name")); //$NON-NLS-1$
Composite composite= new Composite(parent, SWT.NONE);
composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
layout= new GridLayout();
layout.numColumns= 3;
layout.marginWidth= 0;
layout.marginHeight= 0;
composite.setLayout(layout);
fNameText= createText(composite);
fNameText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
if (fSuppressError && (fNameText.getText().trim().length() != 0))
fSuppressError= false;
updateButtons();
}
});
createLabel(composite, TemplateMessages.getString("EditTemplateDialog.context")); //$NON-NLS-1$
fContextCombo= new Combo(composite, SWT.READ_ONLY);
for (Iterator iterator= fContextTypes.iterator(); iterator.hasNext(); )
fContextCombo.add((String) iterator.next());
fContextCombo.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
String name= fContextCombo.getText();
fProcessor.setContextType(ContextTypeRegistry.getInstance().getContextType(name));
}
});
createLabel(parent, TemplateMessages.getString("EditTemplateDialog.description")); //$NON-NLS-1$
fDescriptionText= createText(parent);
Label patternLabel= createLabel(parent, TemplateMessages.getString("EditTemplateDialog.pattern")); //$NON-NLS-1$
patternLabel.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
fPatternEditor= createEditor(parent);
Label filler= new Label(parent, SWT.NONE);
filler.setLayoutData(new GridData());
composite= new Composite(parent, SWT.NONE);
layout= new GridLayout();
layout.marginWidth= 0;
layout.marginHeight= 0;
composite.setLayout(layout);
composite.setLayoutData(new GridData());
fInsertVariableButton= new Button(composite, SWT.NONE);
fInsertVariableButton.setLayoutData(getButtonGridData(fInsertVariableButton));
fInsertVariableButton.setText(TemplateMessages.getString("EditTemplateDialog.insert.variable")); //$NON-NLS-1$
fInsertVariableButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
fPatternEditor.getTextWidget().setFocus();
fPatternEditor.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);
}
public void widgetDefaultSelected(SelectionEvent e) {}
});
fNameText.setText(fTemplate.getName());
fDescriptionText.setText(fTemplate.getDescription());
fContextCombo.select(getIndex(fTemplate.getContextTypeName()));
initializeActions();
return composite;
}
private static GridData getButtonGridData(Button button) {
GridData data= new GridData(GridData.FILL_HORIZONTAL);
data.heightHint= SWTUtil.getButtonHeigthHint(button);
return data;
}
private static Label createLabel(Composite parent, String name) {
Label label= new Label(parent, SWT.NULL);
label.setText(name);
label.setLayoutData(new GridData());
return label;
}
private static Text createText(Composite parent) {
Text text= new Text(parent, SWT.BORDER);
text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
return text;
}
private SourceViewer createEditor(Composite parent) {
SourceViewer viewer= new SourceViewer(parent, null, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
IDocument document= new Document(fTemplate.getPattern());
new PerlPartitioner(PerlEditorPlugin.getDefault().getLog(), document);
viewer.configure(new SimpleJavaSourceViewerConfiguration(fProcessor));
viewer.setEditable(true);
viewer.setDocument(document);
Font font= JFaceResources.getFontRegistry().get(JFaceResources.TEXT_FONT);
viewer.getTextWidget().setFont(font);
Control control= viewer.getControl();
GridData data= new GridData(GridData.FILL_BOTH);
data.widthHint= convertWidthInCharsToPixels(60);
data.heightHint= convertHeightInCharsToPixels(5);
control.setLayoutData(data);
viewer.addTextListener(new ITextListener() {
public void textChanged(TextEvent event) {
try {
fTranslator.translate(event.getDocumentEvent().getDocument().get());
} catch (CoreException e) {
e.printStackTrace();
//PHPeclipsePlugin.log(e);
}
updateUndoAction();
updateButtons();
}
});
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
updateSelectionDependentActions();
}
});
if (viewer instanceof ITextViewerExtension) {
((ITextViewerExtension) viewer).prependVerifyKeyListener(new VerifyKeyListener() {
public void verifyKey(VerifyEvent event) {
handleVerifyKeyPressed(event);
}
});
} else {
viewer.getTextWidget().addKeyListener(new KeyListener() {
public void keyPressed(KeyEvent e) {
handleKeyPressed(e);
}
public void keyReleased(KeyEvent e) {}
});
}
return viewer;
}
private void handleKeyPressed(KeyEvent event) {
if (event.stateMask != SWT.CTRL)
return;
switch (event.character) {
case ' ':
fPatternEditor.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);
break;
// CTRL-Z
case (int) 'z' - (int) 'a' + 1:
fPatternEditor.doOperation(ITextOperationTarget.UNDO);
break;
}
}
private void handleVerifyKeyPressed(VerifyEvent event) {
if (!event.doit)
return;
if (event.stateMask != SWT.CTRL)
return;
switch (event.character) {
case ' ':
fPatternEditor.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);
event.doit= false;
break;
// CTRL-Z
case (int) 'z' - (int) 'a' + 1:
fPatternEditor.doOperation(ITextOperationTarget.UNDO);
event.doit= false;
break;
}
}
private void initializeActions() {
TextViewerAction action= new TextViewerAction(fPatternEditor, SourceViewer.UNDO);
action.setText(TemplateMessages.getString("EditTemplateDialog.undo")); //$NON-NLS-1$
fGlobalActions.put(ITextEditorActionConstants.UNDO, action);
action= new TextViewerAction(fPatternEditor, SourceViewer.CUT);
action.setText(TemplateMessages.getString("EditTemplateDialog.cut")); //$NON-NLS-1$
fGlobalActions.put(ITextEditorActionConstants.CUT, action);
action= new TextViewerAction(fPatternEditor, SourceViewer.COPY);
action.setText(TemplateMessages.getString("EditTemplateDialog.copy")); //$NON-NLS-1$
fGlobalActions.put(ITextEditorActionConstants.COPY, action);
action= new TextViewerAction(fPatternEditor, SourceViewer.PASTE);
action.setText(TemplateMessages.getString("EditTemplateDialog.paste")); //$NON-NLS-1$
fGlobalActions.put(ITextEditorActionConstants.PASTE, action);
action= new TextViewerAction(fPatternEditor, SourceViewer.SELECT_ALL);
action.setText(TemplateMessages.getString("EditTemplateDialog.select.all")); //$NON-NLS-1$
fGlobalActions.put(ITextEditorActionConstants.SELECT_ALL, action);
action= new TextViewerAction(fPatternEditor, SourceViewer.CONTENTASSIST_PROPOSALS);
action.setText(TemplateMessages.getString("EditTemplateDialog.content.assist")); //$NON-NLS-1$
fGlobalActions.put("ContentAssistProposal", action); //$NON-NLS-1$
fSelectionActions.add(ITextEditorActionConstants.CUT);
fSelectionActions.add(ITextEditorActionConstants.COPY);
fSelectionActions.add(ITextEditorActionConstants.PASTE);
// create context menu
MenuManager manager= new MenuManager(null, null);
manager.setRemoveAllWhenShown(true);
manager.addMenuListener(new IMenuListener() {
public void menuAboutToShow(IMenuManager mgr) {
fillContextMenu(mgr);
}
});
StyledText text= fPatternEditor.getTextWidget();
Menu menu= manager.createContextMenu(text);
text.setMenu(menu);
}
private void fillContextMenu(IMenuManager menu) {
menu.add(new GroupMarker(ITextEditorActionConstants.GROUP_UNDO));
menu.appendToGroup(ITextEditorActionConstants.GROUP_UNDO, (IAction) fGlobalActions.get(ITextEditorActionConstants.UNDO));
menu.add(new Separator(ITextEditorActionConstants.GROUP_EDIT));
menu.appendToGroup(ITextEditorActionConstants.GROUP_EDIT, (IAction) fGlobalActions.get(ITextEditorActionConstants.CUT));
menu.appendToGroup(ITextEditorActionConstants.GROUP_EDIT, (IAction) fGlobalActions.get(ITextEditorActionConstants.COPY));
menu.appendToGroup(ITextEditorActionConstants.GROUP_EDIT, (IAction) fGlobalActions.get(ITextEditorActionConstants.PASTE));
menu.appendToGroup(ITextEditorActionConstants.GROUP_EDIT, (IAction) fGlobalActions.get(ITextEditorActionConstants.SELECT_ALL));
// menu.add(new Separator(IContextMenuConstants.GROUP_GENERATE));
// menu.appendToGroup(IContextMenuConstants.GROUP_GENERATE, (IAction) fGlobalActions.get("ContentAssistProposal")); //$NON-NLS-1$
}
protected void updateSelectionDependentActions() {
Iterator iterator= fSelectionActions.iterator();
while (iterator.hasNext())
updateAction((String)iterator.next());
}
protected void updateUndoAction() {
IAction action= (IAction) fGlobalActions.get(ITextEditorActionConstants.UNDO);
if (action instanceof IUpdate)
((IUpdate) action).update();
}
protected void updateAction(String actionId) {
IAction action= (IAction) fGlobalActions.get(actionId);
if (action instanceof IUpdate)
((IUpdate) action).update();
}
private int getIndex(String context) {
ContextTypeRegistry registry= ContextTypeRegistry.getInstance();
registry.getContextType(context);
if (context == null)
return -1;
return fContextTypes.indexOf(context);
}
protected void okPressed() {
fTemplate.setName(fNameText.getText());
fTemplate.setDescription(fDescriptionText.getText());
fTemplate.setContext(fContextCombo.getText());
fTemplate.setPattern(fPatternEditor.getTextWidget().getText());
super.okPressed();
}
private void updateButtons() {
boolean valid= fNameText.getText().trim().length() != 0;
StatusInfo status= new StatusInfo();
if (!valid) {
if (fSuppressError)
status.setError(""); //$NON-NLS-1$
else
status.setError(TemplateMessages.getString("EditTemplateDialog.error.noname")); //$NON-NLS-1$
} else if (fTranslator.getErrorMessage() != null) {
status.setError(fTranslator.getErrorMessage());
}
updateStatus(status);
}
/*
* @see org.eclipse.jface.window.Window#configureShell(Shell)
*/
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
// WorkbenchHelp.setHelp(newShell, IJavaHelpContextIds.EDIT_TEMPLATE_DIALOG);
}
}