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/*******************************************************************************
* Copyright (c) 2009 Alena Laskavaia
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alena Laskavaia - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.internal.ui.preferences;
import java.text.MessageFormat;
import org.eclipse.cdt.codan.core.CodanCorePlugin;
import org.eclipse.cdt.codan.core.CodanRuntime;
import org.eclipse.cdt.codan.core.model.ICheckersRegistry;
import org.eclipse.cdt.codan.core.model.IProblem;
import org.eclipse.cdt.codan.core.model.IProblemProfile;
import org.eclipse.cdt.codan.core.param.IProblemPreference;
import org.eclipse.cdt.codan.internal.ui.CodanUIActivator;
import org.eclipse.cdt.codan.internal.ui.CodanUIMessages;
import org.eclipse.cdt.codan.internal.ui.dialogs.CustomizeProblemDialog;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ITreeSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.preferences.ScopedPreferenceStore;
/**
* This class represents a preference page that is contributed to the
* Preferences dialog. By subclassing <samp>FieldEditorPreferencePage</samp>, we
* can use the field support built into JFace that allows us to create a page
* that is small and knows how to save, restore and apply itself.
* <p>
* This page is used to modify preferences only. They are stored in the
* preference store that belongs to the main plug-in class. That way,
* preferences can be accessed directly via the preference store.
*/
public class CodanPreferencePage extends FieldEditorOverlayPage implements
IWorkbenchPreferencePage {
private IProblemProfile profile;
private ISelectionChangedListener problemSelectionListener;
private IProblem selectedProblem;
private Group info;
private Label infoDesc;
private Label infoMessage;
private Label infoParams;
private Button infoButton;
private ProblemsTreeEditor checkedTreeEditor;
public CodanPreferencePage() {
super(GRID);
setPreferenceStore(new ScopedPreferenceStore(new InstanceScope(),
CodanCorePlugin.PLUGIN_ID));
// setDescription("Code Analysis Preference Page");
problemSelectionListener = new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
if (info != null) {
if (event.getSelection() instanceof ITreeSelection) {
ITreeSelection s = (ITreeSelection) event
.getSelection();
if (s.getFirstElement() instanceof IProblem)
setSelectedProblem((IProblem) s.getFirstElement());
else
setSelectedProblem(null);
}
}
}
};
}
@Override
protected String getPageId() {
return "org.eclipse.cdt.codan.internal.ui.preferences.CodanPreferencePage"; //$NON-NLS-1$
}
/**
* Creates the field editors. Field editors are abstractions of the common
* GUI blocks needed to manipulate various types of preferences. Each field
* editor knows how to save and restore itself.
*/
@Override
public void createFieldEditors() {
profile = isPropertyPage() ? getRegistry()
.getResourceProfileWorkingCopy((IResource) getElement())
: getRegistry().getWorkspaceProfile();
checkedTreeEditor = new ProblemsTreeEditor(getFieldEditorParent(),
profile);
addField(checkedTreeEditor);
checkedTreeEditor.getTreeViewer().addSelectionChangedListener(
problemSelectionListener);
checkedTreeEditor.getTreeViewer().addDoubleClickListener(
new IDoubleClickListener() {
public void doubleClick(DoubleClickEvent event) {
openCustomizeDialog();
}
});
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.cdt.codan.internal.ui.preferences.FieldEditorOverlayPage#
* createContents(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createContents(Composite parent) {
Composite comp = (Composite) super.createContents(parent);
createInfoControl(comp);
return comp;
}
/**
* @param comp
*/
private void createInfoControl(Composite comp) {
info = new Group(comp, SWT.NONE);
info.setLayoutData(new GridData(GridData.FILL_BOTH));
info.setLayout(new GridLayout(3, false));
info.setText(CodanUIMessages.CodanPreferencePage_Info);
GridDataFactory gdLab = GridDataFactory.swtDefaults()
.align(SWT.BEGINNING, SWT.BEGINNING).grab(false, false);
GridDataFactory gdFact = GridDataFactory.swtDefaults()
.align(SWT.BEGINNING, SWT.BEGINNING).grab(true, true);
// message
Label labelMessage = new Label(info, SWT.NONE);
labelMessage.setText(CodanUIMessages.CodanPreferencePage_MessageLabel);
labelMessage.setLayoutData(gdLab.create());
infoMessage = new Label(info, SWT.WRAP);
infoMessage.setLayoutData(gdFact.copy().span(2, 1).create());
// description
Label labelDesc = new Label(info, SWT.NONE);
labelDesc.setText(CodanUIMessages.CodanPreferencePage_Description);
labelDesc.setLayoutData(gdLab.create());
infoDesc = new Label(info, SWT.WRAP);
PixelConverter pixelConverter = new PixelConverter(comp);
infoDesc.setLayoutData(gdFact
.copy()
.span(2, 1)
.hint(pixelConverter.convertWidthInCharsToPixels(60),
pixelConverter.convertHeightInCharsToPixels(3))
.create());
// params
Label labelParams = new Label(info, SWT.NONE);
labelParams.setText(CodanUIMessages.CodanPreferencePage_Parameters);
labelParams.setLayoutData(gdLab.create());
infoParams = new Label(info, SWT.NONE);
infoParams.setLayoutData(gdFact.create());
infoButton = new Button(info, SWT.PUSH);
infoButton.setLayoutData(GridDataFactory.swtDefaults()
.align(SWT.END, SWT.BEGINNING).create());
infoButton.setText(CodanUIMessages.CodanPreferencePage_Customize);
infoButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
openCustomizeDialog();
}
});
restoreWidgetValues();
}
/**
* @param selection
*/
protected void setSelectedProblem(IProblem problem) {
this.selectedProblem = problem;
updateProblemInfo();
}
/**
* @return
*/
protected ICheckersRegistry getRegistry() {
return CodanRuntime.getInstance().getChechersRegistry();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.preference.PreferencePage#performApply()
*/
@Override
public boolean performOk() {
saveWidgetValues();
// if (isPropertyPage())
getRegistry().updateProfile((IResource) getElement(), null);
return super.performOk();
}
/**
*
*/
private void saveWidgetValues() {
CodanUIActivator
.getDefault()
.getDialogSettings()
.put(getWidgetId(),
selectedProblem == null ? "" : selectedProblem.getId()); //$NON-NLS-1$
}
private void restoreWidgetValues() {
String id = CodanUIActivator.getDefault().getDialogSettings()
.get(getWidgetId());
if (id != null && id.length() > 0) {
checkedTreeEditor.getTreeViewer().setSelection(
new StructuredSelection(profile.findProblem(id)), true);
} else {
setSelectedProblem(null);
}
}
/**
* @return
*/
protected String getWidgetId() {
return getPageId() + ".selection"; //$NON-NLS-1$
}
/**
*
*/
private void updateProblemInfo() {
if (selectedProblem == null) {
infoMessage.setText(""); //$NON-NLS-1$
infoDesc.setText(""); //$NON-NLS-1$
infoParams.setText(""); //$NON-NLS-1$
infoButton.setEnabled(false);
} else {
IProblemPreference pref = selectedProblem.getPreference();
String description = selectedProblem.getDescription();
if (description == null)
description = CodanUIMessages.CodanPreferencePage_NoInfo;
String messagePattern = selectedProblem.getMessagePattern();
String message = CodanUIMessages.CodanPreferencePage_NoInfo;
if (messagePattern != null) {
message = MessageFormat.format(messagePattern, "X", "Y", "Z"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
infoMessage.setText(message);
infoDesc.setText(description);
infoParams
.setText(pref == null ? CodanUIMessages.CodanPreferencePage_NoInfo
: CodanUIMessages.CodanPreferencePage_HasPreferences);
infoButton.setEnabled(true);
}
info.layout(true);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
*/
public void init(IWorkbench workbench) {
}
/**
*
*/
protected void openCustomizeDialog() {
CustomizeProblemDialog d = new CustomizeProblemDialog(getShell(),
selectedProblem);
d.open();
}
}
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