com.baremetalstudios.mapleide.handlers.NewTextFileDialogHandler.java Source code

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Here is the source code for com.baremetalstudios.mapleide.handlers.NewTextFileDialogHandler.java

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/*******************************************************************************
 * Copyright (c) 2010 BestSolution.at and others.
 * 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:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 ******************************************************************************/
package com.baremetalstudios.mapleide.handlers;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import javax.inject.Named;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
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.Text;

import com.baremetalstudios.mapleide.ui.ResourceViewerControl;

public class NewTextFileDialogHandler {
    private IContainer parentContainer;
    private String name;

    @Execute
    public void openNewTextFileDialog(@Named(IServiceConstants.ACTIVE_SHELL) Shell parentShell,
            @Optional @Named(IServiceConstants.SELECTION) final IResource resource, final IWorkspace workspace,
            IProgressMonitor monitor) {

        TitleAreaDialog dialog = new TitleAreaDialog(parentShell) {
            private ResourceViewerControl viewer;
            private Text text;

            @Override
            protected Control createDialogArea(Composite parent) {
                Composite comp = (Composite) super.createDialogArea(parent);
                Composite container = new Composite(comp, SWT.NONE);
                container.setLayoutData(new GridData(GridData.FILL_BOTH));
                container.setLayout(new GridLayout(2, false));

                Label label = new Label(container, SWT.NONE);
                label.setText("Folder");

                viewer = new ResourceViewerControl(container, SWT.NONE, workspace, resource);
                viewer.setLayoutData(new GridData(GridData.FILL_BOTH));

                label = new Label(container, SWT.NONE);
                label.setText("File name");

                text = new Text(container, SWT.BORDER);
                text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

                return comp;
            }

            @Override
            protected void okPressed() {
                IResource resource = viewer.getResource();
                if (resource == null) {
                    setMessage("Select a parent folder", IMessageProvider.ERROR);
                    return;
                }

                if (text.getText().trim().length() == 0) {
                    setMessage("Enter a folder name", IMessageProvider.ERROR);
                    return;
                }

                parentContainer = (IContainer) resource;
                name = text.getText();
                super.okPressed();
            }
        };

        if (dialog.open() == IDialogConstants.OK_ID) {
            IPath newFilePath = parentContainer.getFullPath().append(name);
            IFile file = workspace.getRoot().getFile(newFilePath);
            ByteArrayInputStream out = new ByteArrayInputStream(new byte[0]);
            try {
                file.create(out, true, monitor);
            } catch (CoreException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            try {
                out.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}