DocumentationEditor.java

package net.autosauler.ballance.client.gui;

import java.util.HashMap;

import net.autosauler.ballance.client.Services;

import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.widget.Window;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.form.FormPanel;
import com.extjs.gxt.ui.client.widget.form.HtmlEditor;
import com.extjs.gxt.ui.client.widget.form.TextField;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.extjs.gxt.ui.client.widget.layout.FormData;
import com.google.gwt.user.client.rpc.AsyncCallback;

public class DocumentationEditor extends Window {
	/** The receiver. */
	private final IReloadMsgReceiver receiver;

	/** The scriptname. */
	private String structurename;

	/** The text. */
	private String text;

	private TextField<String> name;
	// TODO: locale support

	/** The editor. */
	private HtmlEditor editor;

	/**
	 * Instantiates a new script editor.
	 * 
	 * @param structurename
	 *            the scriptname
	 * @param reloadreceiver
	 *            the reloadreceiver
	 */
	public DocumentationEditor(final String structurename,
			IReloadMsgReceiver reloadreceiver) {
		super();
		receiver = reloadreceiver;
		this.structurename = structurename;

		initGui();
		MainPanel.setCommInfo(true);
		Services.structure.getHelp("ru", structurename,
				new AsyncCallback<String>() {

					@Override
					public void onFailure(Throwable caught) {
						MainPanel.setCommInfo(false);
						new AlertDialog(caught).show();

					}

					@Override
					public void onSuccess(String result) {
						MainPanel.setCommInfo(false);
						if (result != null) {
							name.setValue(structurename);
							editor.setValue(result);
							DocumentationEditor.this.show();
						} else {
							new AlertDialog("Can't load documentation "
									+ structurename).show();
						}

					}
				});
	};

	/**
	 * Inits the gui.
	 */
	private void initGui() {
		setHeading("Documentation editor");
		setAnimCollapse(true);
		setModal(true);
		setBlinkModal(true);
		setLayout(new FitLayout());
		setSize(750, 500);
		setResizable(false);

		setClosable(false);

		FormPanel form = new FormPanel();
		FormData formData = new FormData("98%");
		form.setLabelWidth(150);
		form.setHeaderVisible(false);

		name = new TextField<String>();
		name.setFieldLabel("Document name");
		name.setEmptyText("Enter document name");
		editor = new HtmlEditor();
		editor.setFieldLabel("Documentation");
		Button btnSave = new Button("Save");

		btnSave.addSelectionListener(new SelectionListener<ButtonEvent>() {

			@Override
			public void componentSelected(ButtonEvent ce) {

				structurename = name.getValue();
				if ((structurename != null) && !structurename.isEmpty()) {
					MainPanel.setCommInfo(true);
					text = editor.getValue();

					HashMap<String, String> texts = new HashMap<String, String>();
					texts.put("ru", text);

					Services.structure.saveHelp(structurename, texts,
							new AsyncCallback<Void>() {

								@Override
								public void onFailure(Throwable caught) {
									MainPanel.setCommInfo(false);
									new AlertDialog(caught).show();

								}

								@Override
								public void onSuccess(Void v) {
									MainPanel.setCommInfo(false);

									DocumentationEditor.this.hide();
									if (receiver != null) {
										receiver.reloadList();
									}

								}
							});
				} else {
					new AlertDialog("Empty document name").show();
				}
			}

		});

		Button btnCancel = new Button("Cancel");

		btnCancel.addSelectionListener(new SelectionListener<ButtonEvent>() {

			@Override
			public void componentSelected(ButtonEvent ce) {
				DocumentationEditor.this.hide();
				if (receiver != null) {
					receiver.reloadList();
				}
			}

		});

		form.add(name, formData);
		form.add(editor, formData);
		add(form);
		addButton(btnSave);
		addButton(btnCancel);
		show();
	}
}