/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.uima.ruta.ide.ui.text.folding;
import java.util.ArrayList;
import org.apache.uima.ruta.ide.ui.RutaPreferenceConstants;
import org.eclipse.dltk.ui.PreferenceConstants;
import org.eclipse.dltk.ui.preferences.AbstractConfigurationBlock;
import org.eclipse.dltk.ui.preferences.OverlayPreferenceStore;
import org.eclipse.dltk.ui.preferences.OverlayPreferenceStore.OverlayKey;
import org.eclipse.dltk.ui.preferences.PreferencesMessages;
import org.eclipse.dltk.ui.text.folding.IFoldingPreferenceBlock;
import org.eclipse.dltk.ui.util.PixelConverter;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Font;
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;
public class RutaFoldingPreferenceBlock extends AbstractConfigurationBlock implements
IFoldingPreferenceBlock {
protected class ListBlock {
private ListViewer fList;
private String fKey;
private Button fAddButton;
private Button fRemoveButton;
public ListBlock(Composite parent, String key) {
fKey = key;
createControl(parent);
}
private Control createControl(Composite parent) {
Font font = parent.getFont();
Composite comp = new Composite(parent, SWT.NONE);
GridLayout topLayout = new GridLayout();
topLayout.numColumns = 2;
topLayout.marginHeight = 0;
topLayout.marginWidth = 0;
comp.setLayout(topLayout);
GridData gd = new GridData(GridData.FILL_BOTH);
comp.setLayoutData(gd);
fList = new ListViewer(comp);
gd = new GridData(GridData.FILL_BOTH);
gd.heightHint = 6;
fList.getControl().setLayoutData(gd);
Composite pathButtonComp = new Composite(comp, SWT.NONE);
GridLayout pathButtonLayout = new GridLayout();
pathButtonLayout.marginHeight = 0;
pathButtonLayout.marginWidth = 0;
pathButtonComp.setLayout(pathButtonLayout);
gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.HORIZONTAL_ALIGN_FILL);
pathButtonComp.setLayoutData(gd);
pathButtonComp.setFont(font);
fAddButton = createPushButton(pathButtonComp,
RutaFoldingMessages.RutaFoldingPreferenceBlock_0);
fAddButton.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent e) {
IInputValidator validator = new IInputValidator() {
public String isValid(String newText) {
if (newText.trim().length() > 0 && newText.matches("[_a-zA-Z]*")) //$NON-NLS-1$
return null;
return RutaFoldingMessages.RutaFoldingPreferenceBlock_2;
}
};
InputDialog dlg = new InputDialog(null,
RutaFoldingMessages.RutaFoldingPreferenceBlock_3,
RutaFoldingMessages.RutaFoldingPreferenceBlock_4, "", validator);
if (dlg.open() == Window.OK) {
fList.add(dlg.getValue());
save();
}
}
});
fRemoveButton = createPushButton(pathButtonComp,
RutaFoldingMessages.RutaFoldingPreferenceBlock_6);
fRemoveButton.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent e) {
ISelection s = fList.getSelection();
if (s instanceof IStructuredSelection) {
IStructuredSelection sel = (IStructuredSelection) s;
fList.remove(sel.toArray());
save();
}
}
});
return comp;
}
protected Button createPushButton(Composite parent, String label) {
Button button = new Button(parent, SWT.PUSH);
button.setFont(parent.getFont());
if (label != null) {
button.setText(label);
}
GridData gd = new GridData();
button.setLayoutData(gd);
gd.widthHint = getButtonWidthHint(button);
gd.horizontalAlignment = GridData.FILL;
return button;
}
/**
* Returns a width hint for a button control.
*/
public int getButtonWidthHint(Button button) {
button.setFont(JFaceResources.getDialogFont());
PixelConverter converter = new PixelConverter(button);
int widthHint = converter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
return Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
}
private String[] getEntries() {
return fList.getList().getItems();
}
private void setEntries(String items[]) {
fList.remove(fList.getList().getItems());
for (int i = 0; i < items.length; i++) {
if (items[i].trim().length() > 0)
fList.add(items[i]);
}
}
public void save() {
String items[] = getEntries();
StringBuffer buf = new StringBuffer();
for (int i = 0; i < items.length; i++) {
buf.append(items[i]);
if (i != items.length - 1)
buf.append(","); //$NON-NLS-1$
}
getPreferenceStore().setValue(fKey, buf.toString());
}
public void initialize() {
String val = getPreferenceStore().getString(fKey);
if (val != null) {
String items[] = val.split(","); //$NON-NLS-1$
setEntries(items);
}
}
public void performDefault() {
String val = getPreferenceStore().getDefaultString(fKey);
if (val != null) {
String items[] = val.split(","); //$NON-NLS-1$
setEntries(items);
}
}
}
private ListBlock fExcludePatterns;
private ListBlock fIncludePatterns;
private OverlayPreferenceStore fOverlayStore;
private OverlayKey[] fKeys;
public RutaFoldingPreferenceBlock(OverlayPreferenceStore store,
PreferencePage mainPreferencePage) {
super(store, mainPreferencePage);
fOverlayStore = store;
fKeys = createKeys();
fOverlayStore.addKeys(fKeys);
}
private OverlayKey[] createKeys() {
ArrayList overlayKeys = new ArrayList();
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.INT,
RutaPreferenceConstants.EDITOR_FOLDING_BLOCKS));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.INT,
PreferenceConstants.EDITOR_FOLDING_LINES_LIMIT));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING,
RutaPreferenceConstants.EDITOR_FOLDING_INCLUDE_LIST));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.STRING,
RutaPreferenceConstants.EDITOR_FOLDING_EXCLUDE_LIST));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN,
RutaPreferenceConstants.EDITOR_FOLDING_INIT_BLOCKS));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN,
RutaPreferenceConstants.EDITOR_FOLDING_INIT_COMMENTS));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN,
RutaPreferenceConstants.EDITOR_FOLDING_INIT_NAMESPACES));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN,
PreferenceConstants.EDITOR_COMMENTS_FOLDING_ENABLED));
overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN,
RutaPreferenceConstants.EDITOR_FOLDING_COMMENTS_WITH_NEWLINES));
OverlayPreferenceStore.OverlayKey[] keys = new OverlayPreferenceStore.OverlayKey[overlayKeys
.size()];
overlayKeys.toArray(keys);
return keys;
}
public Control createControl(Composite composite) {
Composite inner = new Composite(composite, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 1;
inner.setLayout(layout);
Composite blockFolding = createSubsection(inner, null,
RutaFoldingMessages.RutaFoldingPreferenceBlock_10);
blockFolding.setLayout(new GridLayout());
addRadioButton(blockFolding, RutaFoldingMessages.RutaFoldingPreferenceBlock_11,
RutaPreferenceConstants.EDITOR_FOLDING_BLOCKS,
RutaPreferenceConstants.EDITOR_FOLDING_BLOCKS_OFF);
addRadioButton(blockFolding, RutaFoldingMessages.RutaFoldingPreferenceBlock_12,
RutaPreferenceConstants.EDITOR_FOLDING_BLOCKS,
RutaPreferenceConstants.EDITOR_FOLDING_BLOCKS_EXCLUDE);
fExcludePatterns = new ListBlock(blockFolding,
RutaPreferenceConstants.EDITOR_FOLDING_EXCLUDE_LIST);
addRadioButton(blockFolding, RutaFoldingMessages.RutaFoldingPreferenceBlock_13,
RutaPreferenceConstants.EDITOR_FOLDING_BLOCKS,
RutaPreferenceConstants.EDITOR_FOLDING_BLOCKS_INCLUDE);
fIncludePatterns = new ListBlock(blockFolding,
RutaPreferenceConstants.EDITOR_FOLDING_INCLUDE_LIST);
IInputValidator val = new IInputValidator() {
public String isValid(String number) {
if (number.length() == 0) {
return PreferencesMessages.DLTKEditorPreferencePage_empty_input;
} else {
try {
int value = Integer.parseInt(number);
if (value < 2)
return "You may input numbers >= 2.";
} catch (NumberFormatException e) {
return "Input is not a number";
}
}
return null;
}
};
addLabelledTextField(blockFolding, "Minimal amount of lines to be folded(>=2):",
PreferenceConstants.EDITOR_FOLDING_LINES_LIMIT, 3, 1, true, val);
Composite commentFolding = createSubsection(inner, null,
RutaFoldingMessages.RutaFoldingPreferenceBlock_14);
commentFolding.setLayout(new GridLayout());
addCheckBox(commentFolding, RutaFoldingMessages.RutaFoldingPreferenceBlock_15,
PreferenceConstants.EDITOR_COMMENTS_FOLDING_ENABLED, 0);
Composite initialFolding = createSubsection(inner, null,
RutaFoldingMessages.RutaFoldingPreferenceBlock_16);
initialFolding.setLayout(new GridLayout());
addCheckBox(initialFolding, RutaFoldingMessages.DefaultFoldingPreferenceBlock_headers,
RutaPreferenceConstants.EDITOR_FOLDING_INIT_COMMENTS, 0);
addCheckBox(initialFolding, RutaFoldingMessages.DefaultFoldingPreferenceBlock_innerTypes,
RutaPreferenceConstants.EDITOR_FOLDING_INIT_NAMESPACES, 0);
addCheckBox(initialFolding, RutaFoldingMessages.DefaultFoldingPreferenceBlock_methods,
RutaPreferenceConstants.EDITOR_FOLDING_INIT_BLOCKS, 0);
return inner;
}
@Override
public void initialize() {
super.initialize();
fExcludePatterns.initialize();
fIncludePatterns.initialize();
}
@Override
public void performDefaults() {
super.performDefaults();
fExcludePatterns.performDefault();
fIncludePatterns.performDefault();
}
}