org.eclipse.wb.internal.swing.laf.ui.AddCustomLookAndFeelDialog.java Source code

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Here is the source code for org.eclipse.wb.internal.swing.laf.ui.AddCustomLookAndFeelDialog.java

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/*******************************************************************************
 * Copyright (c) 2011 Google, Inc.
 * 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:
 *    Google, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.wb.internal.swing.laf.ui;

import org.eclipse.wb.internal.core.utils.ui.GridDataFactory;
import org.eclipse.wb.internal.core.utils.ui.GridLayoutFactory;
import org.eclipse.wb.internal.swing.laf.LafMessages;
import org.eclipse.wb.internal.swing.laf.command.AddCommand;
import org.eclipse.wb.internal.swing.laf.model.CategoryInfo;
import org.eclipse.wb.internal.swing.laf.model.LafEntryInfo;
import org.eclipse.wb.internal.swing.laf.model.UserDefinedLafInfo;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

/**
 * Dialog for entering new Look-n-Feel.
 * 
 * @author mitin_aa
 * @coverage swing.laf.ui
 */
public final class AddCustomLookAndFeelDialog extends AbstractCustomLookAndFeelDialog {
    // fields
    CheckboxTableViewer m_classTable;

    ////////////////////////////////////////////////////////////////////////////
    //
    // Constructor
    //
    ////////////////////////////////////////////////////////////////////////////
    public AddCustomLookAndFeelDialog(Shell parentShell, CategoryInfo targetCategory) {
        super(parentShell, targetCategory, LafMessages.AddCustomLookAndFeelDialog_add,
                LafMessages.AddCustomLookAndFeelDialog_add, null, LafMessages.AddCustomLookAndFeelDialog_message);
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Contents
    //
    ////////////////////////////////////////////////////////////////////////////
    @Override
    protected void createControls(Composite container) {
        {
            GridLayoutFactory.create(container).columns(3);
            // category
            {
                createCategoriesUI(container);
            }
            // separator label
            {
                Label label = new Label(container, SWT.NONE);
                GridDataFactory.create(label).spanH(3);
            }
            // jar
            {
                createJarUI(container);
            }
            // LAF classes
            {
                Label label = new Label(container, SWT.NONE);
                GridDataFactory.create(label).spanH(3).fillH();
                label.setText(LafMessages.AddCustomLookAndFeelDialog_classesLabel);
            }
            {
                m_classTable = CheckboxTableViewer.newCheckList(container,
                        SWT.BORDER | SWT.FULL_SELECTION | SWT.V_SCROLL);
                GridDataFactory.create(m_classTable.getControl()).spanH(2).grab().fill().hintVC(6);
            }
            // buttons composite
            {
                Composite composite = new Composite(container, SWT.NONE);
                GridDataFactory.create(composite).fill();
                GridLayoutFactory.create(composite).noMargins();
                {
                    Button button = new Button(composite, SWT.NONE);
                    GridDataFactory.create(button).grabH().alignHF();
                    button.setText(LafMessages.AddCustomLookAndFeelDialog_selectAll);
                    button.addSelectionListener(new SelectionAdapter() {
                        @Override
                        public void widgetSelected(SelectionEvent e) {
                            if (m_classTable.getTable().isEnabled()) {
                                m_classTable.setAllChecked(true);
                            }
                        }
                    });
                }
                {
                    Button button = new Button(composite, SWT.NONE);
                    GridDataFactory.create(button).grabH().alignHF();
                    button.setText(LafMessages.AddCustomLookAndFeelDialog_deselectAll);
                    button.addSelectionListener(new SelectionAdapter() {
                        @Override
                        public void widgetSelected(SelectionEvent e) {
                            if (m_classTable.getTable().isEnabled()) {
                                m_classTable.setAllChecked(false);
                            }
                        }
                    });
                }
            }
        }
        // progress
        {
            createProgressUI(container);
        }
        // configure LAF class table viewer 
        m_classTable.setContentProvider(new IStructuredContentProvider() {
            public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            }

            public void dispose() {
            }

            public Object[] getElements(Object inputElement) {
                return scanJarFile(m_progressMonitorPart, (String) inputElement);
            }
        });
        m_classTable.setLabelProvider(new LabelProvider() {
            @Override
            public String getText(Object element) {
                if (element instanceof LafEntryInfo) {
                    return ((LafEntryInfo) element).getName();
                }
                return element.toString();
            }
        });
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Handlers
    //
    ////////////////////////////////////////////////////////////////////////////
    @Override
    protected void okPressed() {
        handleApply();
        super.okPressed();
    }

    /**
     * Applies user selections (adds created LAF, stores in persistence).
     */
    private void handleApply() {
        IStructuredSelection selection = (IStructuredSelection) m_categoriesCombo.getSelection();
        CategoryInfo targetCategory = (CategoryInfo) selection.getFirstElement();
        Object[] checkedLafs = m_classTable.getCheckedElements();
        if (checkedLafs.length > 0) {
            for (Object lafInfo : checkedLafs) {
                m_commands.add(new AddCommand(targetCategory, (UserDefinedLafInfo) lafInfo));
            }
        }
    }

    @Override
    protected void handleJarSelected(String jarFileName) {
        m_classTable.getTable().setEnabled(true);
        m_jarField.setText(jarFileName);
        enableButtons(false);
        m_classTable.setInput(jarFileName);
        enableButtons(true);
    }

    @Override
    protected void handleJarScanningError() {
        m_classTable.getTable().setEnabled(false);
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Utils/Misc
    //
    ////////////////////////////////////////////////////////////////////////////
    /**
     * Enables/Disables dialog buttons.
     */
    void enableButtons(boolean enabled) {
        getButton(IDialogConstants.CANCEL_ID).setEnabled(enabled);
        getButton(IDialogConstants.OK_ID).setEnabled(enabled);
    }
}