+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-
-package net.sourceforge.phpdt.internal.ui.preferences;
-
-import java.util.HashMap;
-import java.util.StringTokenizer;
-
-import net.sourceforge.phpdt.internal.ui.dialogs.StatusInfo;
-import net.sourceforge.phpdt.internal.ui.dialogs.StatusUtil;
-import net.sourceforge.phpdt.internal.ui.text.java.hover.JavaEditorTextHoverDescriptor;
-import net.sourceforge.phpdt.internal.ui.util.PixelConverter;
-import net.sourceforge.phpdt.ui.PreferenceConstants;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.jface.action.Action;
-import org.eclipse.jface.dialogs.Dialog;
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.text.Assert;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.KeyEvent;
-import org.eclipse.swt.events.KeyListener;
-import org.eclipse.swt.events.ModifyEvent;
-import org.eclipse.swt.events.ModifyListener;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.graphics.Point;
-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.Control;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.List;
-import org.eclipse.swt.widgets.Text;
-
-/**
- * Configures Java Editor hover preferences.
- *
- * @since 2.1
- */
-class JavaEditorHoverConfigurationBlock {
-
- private static final String DELIMITER = PreferencesMessages
- .getString("JavaEditorHoverConfigurationBlock.delimiter"); //$NON-NLS-1$
-
- // Data structure to hold the values which are edited by the user
- private static class HoverConfig {
-
- private String fModifierString;
-
- private boolean fIsEnabled;
-
- private int fStateMask;
-
- private HoverConfig(String modifier, int stateMask, boolean enabled) {
- fModifierString = modifier;
- fIsEnabled = enabled;
- fStateMask = stateMask;
- }
- }
-
- private IPreferenceStore fStore;
-
- private HoverConfig[] fHoverConfigs;
-
- private Text fModifierEditor;
-
- private Button fEnableField;
-
- private List fHoverList;
-
- private Text fDescription;
-
- private Button fShowHoverAffordanceCheckbox;
-
- private JavaEditorPreferencePage fMainPreferencePage;
-
- private StatusInfo fStatus;
-
- public JavaEditorHoverConfigurationBlock(
- JavaEditorPreferencePage mainPreferencePage, IPreferenceStore store) {
- Assert.isNotNull(mainPreferencePage);
- Assert.isNotNull(store);
- fMainPreferencePage = mainPreferencePage;
- fStore = store;
- }
-
- /**
- * Creates page for hover preferences.
- */
- public Control createControl(Composite parent) {
-
- PixelConverter pixelConverter = new PixelConverter(parent);
-
- Composite hoverComposite = new Composite(parent, SWT.NULL);
- GridLayout layout = new GridLayout();
- layout.numColumns = 2;
- hoverComposite.setLayout(layout);
- GridData gd = new GridData(GridData.GRAB_HORIZONTAL
- | GridData.VERTICAL_ALIGN_FILL);
- hoverComposite.setLayoutData(gd);
-
- Label label = new Label(hoverComposite, SWT.NONE);
- label
- .setText(PreferencesMessages
- .getString("JavaEditorHoverConfigurationBlock.hoverPreferences")); //$NON-NLS-1$
- gd = new GridData(GridData.FILL_HORIZONTAL);
- gd.horizontalAlignment = GridData.BEGINNING;
- gd.horizontalSpan = 2;
- label.setLayoutData(gd);
- gd = new GridData(GridData.GRAB_HORIZONTAL
- | GridData.VERTICAL_ALIGN_FILL);
-
- // Hover list
- fHoverList = new List(hoverComposite, SWT.SINGLE | SWT.V_SCROLL
- | SWT.BORDER);
- gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING
- | GridData.FILL_HORIZONTAL);
- int listHeight = 10 * fHoverList.getItemHeight();
- gd.heightHint = listHeight;
- fHoverList.setLayoutData(gd);
- fHoverList.addSelectionListener(new SelectionListener() {
- public void widgetSelected(SelectionEvent e) {
- handleHoverListSelection();
- }
-
- public void widgetDefaultSelected(SelectionEvent e) {
- }
- });
-
- Composite stylesComposite = new Composite(hoverComposite, SWT.NONE);
- layout = new GridLayout();
- layout.marginHeight = 0;
- layout.marginWidth = 0;
- layout.numColumns = 2;
- stylesComposite.setLayout(layout);
- gd = new GridData(GridData.FILL_HORIZONTAL);
- gd.heightHint = listHeight + (2 * fHoverList.getBorderWidth());
- stylesComposite.setLayoutData(gd);
-
- // Enabled checkbox
- fEnableField = new Button(stylesComposite, SWT.CHECK);
- fEnableField.setText(PreferencesMessages
- .getString("JavaEditorHoverConfigurationBlock.enabled")); //$NON-NLS-1$
- gd = new GridData(GridData.FILL_HORIZONTAL);
- gd.horizontalAlignment = GridData.BEGINNING;
- gd.horizontalSpan = 2;
- fEnableField.setLayoutData(gd);
- fEnableField.addSelectionListener(new SelectionListener() {
- public void widgetSelected(SelectionEvent e) {
- int i = fHoverList.getSelectionIndex();
- boolean state = fEnableField.getSelection();
- fModifierEditor.setEnabled(state);
- fHoverConfigs[i].fIsEnabled = state;
- handleModifierModified();
- }
-
- public void widgetDefaultSelected(SelectionEvent e) {
- }
- });
-
- // Text field for modifier string
- label = new Label(stylesComposite, SWT.LEFT);
- label.setText(PreferencesMessages
- .getString("JavaEditorHoverConfigurationBlock.keyModifier")); //$NON-NLS-1$
- fModifierEditor = new Text(stylesComposite, SWT.BORDER);
- gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
- fModifierEditor.setLayoutData(gd);
-
- fModifierEditor.addKeyListener(new KeyListener() {
- private boolean isModifierCandidate;
-
- public void keyPressed(KeyEvent e) {
- isModifierCandidate = e.keyCode > 0 && e.character == 0
- && e.stateMask == 0;
- }
-
- public void keyReleased(KeyEvent e) {
- if (isModifierCandidate && e.stateMask > 0
- && e.stateMask == e.stateMask && e.character == 0) {// &&
- // e.time
- // -time
- // <
- // 1000)
- // {
- String text = fModifierEditor.getText();
- Point selection = fModifierEditor.getSelection();
- int i = selection.x - 1;
- while (i > -1 && Character.isWhitespace(text.charAt(i))) {
- i--;
- }
- boolean needsPrefixDelimiter = i > -1
- && !String.valueOf(text.charAt(i))
- .equals(DELIMITER);
-
- i = selection.y;
- while (i < text.length()
- && Character.isWhitespace(text.charAt(i))) {
- i++;
- }
- boolean needsPostfixDelimiter = i < text.length()
- && !String.valueOf(text.charAt(i))
- .equals(DELIMITER);
-
- String insertString;
-
- if (needsPrefixDelimiter && needsPostfixDelimiter)
- insertString = PreferencesMessages
- .getFormattedString(
- "JavaEditorHoverConfigurationBlock.insertDelimiterAndModifierAndDelimiter", new String[] { Action.findModifierString(e.stateMask) }); //$NON-NLS-1$
- else if (needsPrefixDelimiter)
- insertString = PreferencesMessages
- .getFormattedString(
- "JavaEditorHoverConfigurationBlock.insertDelimiterAndModifier", new String[] { Action.findModifierString(e.stateMask) }); //$NON-NLS-1$
- else if (needsPostfixDelimiter)
- insertString = PreferencesMessages
- .getFormattedString(
- "JavaEditorHoverConfigurationBlock.insertModifierAndDelimiter", new String[] { Action.findModifierString(e.stateMask) }); //$NON-NLS-1$
- else
- insertString = Action.findModifierString(e.stateMask);
-
- if (insertString != null)
- fModifierEditor.insert(insertString);
- }
- }
- });
-
- fModifierEditor.addModifyListener(new ModifyListener() {
- public void modifyText(ModifyEvent e) {
- handleModifierModified();
- }
- });
-
- // Description
- Label descriptionLabel = new Label(stylesComposite, SWT.LEFT);
- descriptionLabel.setText(PreferencesMessages
- .getString("JavaEditorHoverConfigurationBlock.description")); //$NON-NLS-1$
- gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
- gd.horizontalSpan = 2;
- descriptionLabel.setLayoutData(gd);
- fDescription = new Text(stylesComposite, SWT.LEFT | SWT.WRAP
- | SWT.MULTI | SWT.READ_ONLY | SWT.BORDER);
- gd = new GridData(GridData.FILL_BOTH);
- gd.horizontalSpan = 2;
- fDescription.setLayoutData(gd);
-
- // Vertical filler
- Label filler = new Label(hoverComposite, SWT.LEFT);
- gd = new GridData(GridData.BEGINNING | GridData.VERTICAL_ALIGN_FILL);
- gd.heightHint = pixelConverter.convertHeightInCharsToPixels(1) / 3;
- filler.setLayoutData(gd);
-
- // Affordance checkbox
- fShowHoverAffordanceCheckbox = new Button(hoverComposite, SWT.CHECK);
- fShowHoverAffordanceCheckbox.setText(PreferencesMessages
- .getString("JavaEditorHoverConfigurationBlock.showAffordance")); //$NON-NLS-1$
- gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
- gd.horizontalIndent = 0;
- gd.horizontalSpan = 2;
- fShowHoverAffordanceCheckbox.setLayoutData(gd);
-
- initialize();
-
- Dialog.applyDialogFont(hoverComposite);
- return hoverComposite;
- }
-
- private JavaEditorTextHoverDescriptor[] getContributedHovers() {
- return PHPeclipsePlugin.getDefault()
- .getJavaEditorTextHoverDescriptors();
- }
-
- void initialize() {
- JavaEditorTextHoverDescriptor[] hoverDescs = getContributedHovers();
- fHoverConfigs = new HoverConfig[hoverDescs.length];
- for (int i = 0; i < hoverDescs.length; i++) {
- fHoverConfigs[i] = new HoverConfig(hoverDescs[i]
- .getModifierString(), hoverDescs[i].getStateMask(),
- hoverDescs[i].isEnabled());
- fHoverList.add(hoverDescs[i].getLabel());
- }
- initializeFields();
- }
-
- void initializeFields() {
- fHoverList.getDisplay().asyncExec(new Runnable() {
- public void run() {
- if (fHoverList != null && !fHoverList.isDisposed()) {
- fHoverList.select(0);
- handleHoverListSelection();
- }
- }
- });
- fShowHoverAffordanceCheckbox
- .setSelection(fStore
- .getBoolean(PreferenceConstants.EDITOR_SHOW_TEXT_HOVER_AFFORDANCE));
- }
-
- void performOk() {
- StringBuffer buf = new StringBuffer();
- StringBuffer maskBuf = new StringBuffer();
- for (int i = 0; i < fHoverConfigs.length; i++) {
- buf.append(getContributedHovers()[i].getId());
- buf.append(JavaEditorTextHoverDescriptor.VALUE_SEPARATOR);
- if (!fHoverConfigs[i].fIsEnabled)
- buf.append(JavaEditorTextHoverDescriptor.DISABLED_TAG);
- String modifier = fHoverConfigs[i].fModifierString;
- if (modifier == null || modifier.length() == 0)
- modifier = JavaEditorTextHoverDescriptor.NO_MODIFIER;
- buf.append(modifier);
- buf.append(JavaEditorTextHoverDescriptor.VALUE_SEPARATOR);
-
- maskBuf.append(getContributedHovers()[i].getId());
- maskBuf.append(JavaEditorTextHoverDescriptor.VALUE_SEPARATOR);
- maskBuf.append(fHoverConfigs[i].fStateMask);
- maskBuf.append(JavaEditorTextHoverDescriptor.VALUE_SEPARATOR);
- }
- fStore.setValue(PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIERS, buf
- .toString());
- fStore.setValue(PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIER_MASKS,
- maskBuf.toString());
-
- fStore.setValue(PreferenceConstants.EDITOR_SHOW_TEXT_HOVER_AFFORDANCE,
- fShowHoverAffordanceCheckbox.getSelection());
-
- PHPeclipsePlugin.getDefault().resetJavaEditorTextHoverDescriptors();
- }
-
- void performDefaults() {
- restoreFromPreferences();
- initializeFields();
- }
-
- private void restoreFromPreferences() {
-
- fShowHoverAffordanceCheckbox
- .setSelection(fStore
- .getBoolean(PreferenceConstants.EDITOR_SHOW_TEXT_HOVER_AFFORDANCE));
-
- String compiledTextHoverModifiers = fStore
- .getString(PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIERS);
-
- StringTokenizer tokenizer = new StringTokenizer(
- compiledTextHoverModifiers,
- JavaEditorTextHoverDescriptor.VALUE_SEPARATOR);
- HashMap idToModifier = new HashMap(tokenizer.countTokens() / 2);
-
- while (tokenizer.hasMoreTokens()) {
- String id = tokenizer.nextToken();
- if (tokenizer.hasMoreTokens())
- idToModifier.put(id, tokenizer.nextToken());
- }
-
- String compiledTextHoverModifierMasks = PHPeclipsePlugin.getDefault()
- .getPreferenceStore().getString(
- PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIER_MASKS);
-
- tokenizer = new StringTokenizer(compiledTextHoverModifierMasks,
- JavaEditorTextHoverDescriptor.VALUE_SEPARATOR);
- HashMap idToModifierMask = new HashMap(tokenizer.countTokens() / 2);
-
- while (tokenizer.hasMoreTokens()) {
- String id = tokenizer.nextToken();
- if (tokenizer.hasMoreTokens())
- idToModifierMask.put(id, tokenizer.nextToken());
- }
-
- for (int i = 0; i < fHoverConfigs.length; i++) {
- String modifierString = (String) idToModifier
- .get(getContributedHovers()[i].getId());
- boolean enabled = true;
- if (modifierString == null)
- modifierString = JavaEditorTextHoverDescriptor.DISABLED_TAG;
-
- if (modifierString
- .startsWith(JavaEditorTextHoverDescriptor.DISABLED_TAG)) {
- enabled = false;
- modifierString = modifierString.substring(1);
- }
-
- if (modifierString
- .equals(JavaEditorTextHoverDescriptor.NO_MODIFIER))
- modifierString = ""; //$NON-NLS-1$
-
- fHoverConfigs[i].fModifierString = modifierString;
- fHoverConfigs[i].fIsEnabled = enabled;
- fHoverConfigs[i].fStateMask = JavaEditorTextHoverDescriptor
- .computeStateMask(modifierString);
-
- if (fHoverConfigs[i].fStateMask == -1) {
- try {
- fHoverConfigs[i].fStateMask = Integer
- .parseInt((String) idToModifierMask
- .get(getContributedHovers()[i].getId()));
- } catch (NumberFormatException ex) {
- fHoverConfigs[i].fStateMask = -1;
- }
- }
- }
- }
-
- private void handleModifierModified() {
- int i = fHoverList.getSelectionIndex();
- String modifiers = fModifierEditor.getText();
- fHoverConfigs[i].fModifierString = modifiers;
- fHoverConfigs[i].fStateMask = JavaEditorTextHoverDescriptor
- .computeStateMask(modifiers);
- if (fHoverConfigs[i].fIsEnabled && fHoverConfigs[i].fStateMask == -1)
- fStatus = new StatusInfo(
- IStatus.ERROR,
- PreferencesMessages
- .getFormattedString(
- "JavaEditorHoverConfigurationBlock.modifierIsNotValid", fHoverConfigs[i].fModifierString)); //$NON-NLS-1$
- else
- fStatus = new StatusInfo();
- updateStatus();
- }
-
- private void handleHoverListSelection() {
- int i = fHoverList.getSelectionIndex();
- boolean enabled = fHoverConfigs[i].fIsEnabled;
- fEnableField.setSelection(enabled);
- fModifierEditor.setEnabled(enabled);
- fModifierEditor.setText(fHoverConfigs[i].fModifierString);
- String description = getContributedHovers()[i].getDescription();
- if (description == null)
- description = ""; //$NON-NLS-1$
- fDescription.setText(description);
- }
-
- IStatus getStatus() {
- if (fStatus == null)
- fStatus = new StatusInfo();
- return fStatus;
- }
-
- private void updateStatus() {
- int i = 0;
- HashMap stateMasks = new HashMap(fHoverConfigs.length);
- while (fStatus.isOK() && i < fHoverConfigs.length) {
- if (fHoverConfigs[i].fIsEnabled) {
- String label = getContributedHovers()[i].getLabel();
- Integer stateMask = new Integer(fHoverConfigs[i].fStateMask);
- if (fHoverConfigs[i].fStateMask == -1)
- fStatus = new StatusInfo(
- IStatus.ERROR,
- PreferencesMessages
- .getFormattedString(
- "JavaEditorHoverConfigurationBlock.modifierIsNotValidForHover", new String[] { fHoverConfigs[i].fModifierString, label })); //$NON-NLS-1$
- else if (stateMasks.containsKey(stateMask))
- fStatus = new StatusInfo(
- IStatus.ERROR,
- PreferencesMessages
- .getFormattedString(
- "JavaEditorHoverConfigurationBlock.duplicateModifier", new String[] { label, (String) stateMasks.get(stateMask) })); //$NON-NLS-1$
- else
- stateMasks.put(stateMask, label);
- }
- i++;
- }
-
- if (fStatus.isOK())
- fMainPreferencePage.updateStatus(fStatus);
- else {
- fMainPreferencePage.setValid(false);
- StatusUtil.applyToStatusLine(fMainPreferencePage, fStatus);
- }
- }
-}
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