com.nokia.carbide.cpp.internal.project.ui.mmpEditor.dialogs.AddLibraryDialog.java Source code

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/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: 
*
*/
package com.nokia.carbide.cpp.internal.project.ui.mmpEditor.dialogs;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TrayDialog;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.Text;

import com.nokia.carbide.cpp.internal.project.ui.editors.common.NamePatternFilter;
import com.nokia.carbide.cpp.internal.project.ui.mmpEditor.HelpContexts;
import com.nokia.cpp.internal.api.utils.ui.WorkbenchUtils;

public class AddLibraryDialog extends TrayDialog {

    private Collection<String> sdkLibraries;
    private Text libraryTextControl;
    private TableViewer libraryViewer;
    private List<String> libraryNames;
    private NamePatternFilter libraryFilter;

    /**
     * Create the dialog
     * @param parentShell
     * @param sdkLibraries the SDK-provided libraries
     */
    public AddLibraryDialog(Shell parentShell, Collection<String> sdkLibraries) {
        super(parentShell);
        this.sdkLibraries = sdkLibraries;
        setHelpAvailable(true);
    }

    @Override
    protected void okPressed() {
        libraryNames = new ArrayList<String>();
        String customName = libraryTextControl.getText();
        ISelection selection = libraryViewer.getSelection();
        if (selection.isEmpty()) {
            if (customName.length() > 0) {
                libraryNames.add(customName);
            }
        } else {
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) selection;
                for (Iterator iter = ss.iterator(); iter.hasNext();) {
                    libraryNames.add(iter.next().toString());
                }
            }
        }
        super.okPressed();
    }

    public List<String> getLibraryNames() {
        return libraryNames;
    }

    /**
     * Create contents of the dialog
     * @param parent
     */
    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);

        final Label prompt = new Label(container, SWT.WRAP);
        prompt.setText(Messages.getString("AddLibraryDialog.prompt")); //$NON-NLS-1$

        libraryTextControl = new Text(container, SWT.BORDER);
        libraryTextControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
        libraryTextControl.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                updateFilter();
                updateOKButton();
            }
        });

        libraryViewer = new TableViewer(container, SWT.MULTI | SWT.BORDER);
        libraryViewer.setContentProvider(new ArrayContentProvider());
        libraryViewer.setSorter(new ViewerSorter());
        libraryViewer.setInput(sdkLibraries);
        libraryViewer.addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                updateOKButton();
            }
        });
        libraryViewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                okPressed();
            }
        });
        Table table = libraryViewer.getTable();
        table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        installFilter();

        return container;
    }

    protected void updateOKButton() {
        boolean haveText = libraryTextControl.getText().length() > 0;
        boolean haveListSelection = !libraryViewer.getSelection().isEmpty();
        getButton(IDialogConstants.OK_ID).setEnabled(haveText || haveListSelection);
    }

    /**
     * Create contents of the button bar
     * @param parent
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
    }

    /**
     * Return the initial size of the dialog
     */
    @Override
    protected Point getInitialSize() {
        return new Point(394, 460);
    }

    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setText(Messages.getString("AddLibraryDialog.dialogTitle")); //$NON-NLS-1$
        WorkbenchUtils.setHelpContextId(newShell, HelpContexts.ADD_LIBRARY_DIALOG);
    }

    /**
     * Install name filter for the library list viewer.
     */
    protected void installFilter() {
        libraryFilter = new NamePatternFilter();
        libraryFilter.setPattern(null);
        libraryViewer.addFilter(libraryFilter);
    }

    /**
     * Update library list using text entered by user as filter.
     */
    protected void updateFilter() {
        String pattern = libraryTextControl.getText();
        libraryFilter.setPattern(pattern);
        libraryViewer.refresh();
        libraryViewer.getControl().redraw();
    }

    public Text getLibraryText() {
        return libraryTextControl;
    }

    public TableViewer getLibraryViewer() {
        return libraryViewer;
    }

}