com.liferay.ide.project.ui.wizard.AbstractCheckboxCustomPart.java Source code

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Here is the source code for com.liferay.ide.project.ui.wizard.AbstractCheckboxCustomPart.java

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/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 *******************************************************************************/
package com.liferay.ide.project.ui.wizard;

import com.liferay.ide.ui.util.SWTUtil;

import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.sapphire.modeling.Status;
import org.eclipse.sapphire.ui.forms.FormComponentPart;
import org.eclipse.sapphire.ui.forms.swt.FormComponentPresentation;
import org.eclipse.sapphire.ui.forms.swt.SwtPresentation;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Table;

/**
 * @author Simon Jiang
 */
public abstract class AbstractCheckboxCustomPart extends FormComponentPart {
    class CheckboxContentProvider implements IStructuredContentProvider {

        @Override
        public void dispose() {

        }

        @Override
        public Object[] getElements(Object inputElement) {
            if (inputElement instanceof CheckboxElement[]) {
                return (CheckboxElement[]) inputElement;
            }

            return new Object[] { inputElement };
        }

        @Override
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

        }

    }

    protected class CheckboxElement {
        public String name;
        public String context;

        public CheckboxElement(final String name, final String context) {
            this.context = context;
            this.name = name;
        }
    }

    protected Status retval = Status.createOkStatus();

    protected CheckboxTableViewer checkBoxViewer;

    protected abstract void checkAndUpdateCheckboxElement();

    @Override
    protected Status computeValidation() {
        return retval;
    }

    @Override
    public FormComponentPresentation createPresentation(SwtPresentation parent, Composite composite) {
        return new FormComponentPresentation(this, parent, composite) {
            @Override
            public void render() {
                final Composite parent = SWTUtil.createComposite(composite(), 2, 2, GridData.FILL_BOTH);

                checkBoxViewer = CheckboxTableViewer.newCheckList(parent, SWT.BORDER);

                checkBoxViewer.addCheckStateListener(new ICheckStateListener() {
                    @Override
                    public void checkStateChanged(CheckStateChangedEvent event) {
                        handleCheckStateChangedEvent(event);
                    }
                });

                checkBoxViewer.setContentProvider(new CheckboxContentProvider());

                checkBoxViewer.setLabelProvider(new DelegatingStyledCellLabelProvider(getLableProvider()));

                final Table table = checkBoxViewer.getTable();
                final GridData tableData = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 4);
                tableData.heightHint = 225;
                tableData.widthHint = 400;
                table.setLayoutData(tableData);

                final Button selectAllButton = new Button(parent, SWT.NONE);
                selectAllButton.setText("Select All");
                selectAllButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
                selectAllButton.addListener(SWT.Selection, new Listener() {
                    @Override
                    public void handleEvent(Event event) {
                        handleSelectAllEvent();
                    }
                });

                final Button deselectAllButton = new Button(parent, SWT.NONE);
                deselectAllButton.setText("Deselect All");
                deselectAllButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
                deselectAllButton.addListener(SWT.Selection, new Listener() {
                    @Override
                    public void handleEvent(Event event) {
                        handleDeSelectAllEvent();
                    }
                });

                final Button refreshButton = new Button(parent, SWT.NONE);
                refreshButton.setText("Refresh");
                refreshButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
                refreshButton.addListener(SWT.Selection, new Listener() {
                    @Override
                    public void handleEvent(Event event) {
                        checkAndUpdateCheckboxElement();
                    }
                });

                startCheckThread();
            }

            private void startCheckThread() {
                final Thread t = new Thread() {
                    @Override
                    public void run() {
                        checkAndUpdateCheckboxElement();
                    }
                };

                t.start();
            }
        };
    }

    protected abstract IStyledLabelProvider getLableProvider();

    protected abstract void handleCheckStateChangedEvent(CheckStateChangedEvent event);

    protected abstract void handleDeSelectAllEvent();

    protected abstract void handleSelectAllEvent();

    protected abstract void updateValidation();

}