/*
 * Created on Feb 15, 2004
 *
 */
package groovy.swt;

import groovy.lang.Closure;
import groovy.swt.factory.FormFactory;
import groovy.swt.factory.ImageFactory;
import groovy.swt.factory.LayoutDataFactory;
import groovy.swt.factory.LayoutFactory;
import groovy.swt.factory.ListenerFactory;
import groovy.swt.factory.SwtFactory;
import groovy.swt.factory.WidgetFactory;
import groovy.util.BuilderSupport;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.LocationListener;
import org.eclipse.swt.browser.ProgressListener;
import org.eclipse.swt.browser.StatusTextListener;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.custom.TableTree;
import org.eclipse.swt.custom.TableTreeItem;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Caret;
import org.eclipse.swt.widgets.ColorDialog;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.CoolBar;
import org.eclipse.swt.widgets.CoolItem;
import org.eclipse.swt.widgets.Decorations;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.FontDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Sash;
import org.eclipse.swt.widgets.Scale;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Slider;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.swt.widgets.Tracker;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.ui.forms.events.ExpansionListener;
import org.eclipse.ui.forms.events.HyperlinkListener;
import org.eclipse.ui.forms.widgets.TableWrapData;
import org.eclipse.ui.forms.widgets.TableWrapLayout;

/**
 * @author <a href="mailto:ckl@dacelo.nl">Christiaan ten Klooster </a>
 * @version $Revision$
 */
public class SwtBuilder extends BuilderSupport {
    private Map factories = new HashMap();
    private Logger log = Logger.getLogger(getClass().getName());

    public SwtBuilder() {
        registerWidgets();
    }

    /*
     * @see groovy.util.BuilderSupport#createNode(java.lang.Object)
     */
    protected Object createNode(Object name) {
        return createNode(name, Collections.EMPTY_MAP);
    }

    /*
     * @see groovy.util.BuilderSupport#createNode(java.lang.Object,
     *      java.util.Map)
     */
    protected Object createNode(Object name, Map attributes) {
        
        Closure closure = (Closure) attributes.remove("closure");
        
        Object widget = createWidget(name, attributes, getCurrent());

        if (widget != null){
            if (widget instanceof ClosureSupport){
                if (closure != null){
                    ClosureSupport closureSupport = (ClosureSupport) widget;
                    closureSupport.setClosure(closure);
                }
            }
        }
        return widget;
    }

    /**
     * @param name
     * @param attributes
     * @return
     */
    protected Object createWidget(Object name, Map attributes, Object current) {
        Object widget = null;
        SwtFactory factory = (SwtFactory) factories.get(name);
        if (factory != null){
            try{
                widget = factory.newInstance(attributes, current);
            }
            catch (Exception e){
                log.log(Level.WARNING, e.getMessage());
            }
        }
        else{
            log.log(Level.WARNING, "Could not find match for name: " + name);
        }
        return widget;
    }

    /*
     * @see groovy.util.BuilderSupport#createNode(java.lang.Object,
     *      java.lang.Object)
     */
    protected Object createNode(Object name, Object parent) {
        return createWidget(name, Collections.EMPTY_MAP, parent);
    }

    protected void registerBeanFactory(String name, final Class beanClass) {
        registerFactory(name, new WidgetFactory(beanClass));
    }

    protected void registerBeanFactory(String name, final Class beanClass, 
    final int style) {
        registerFactory(name, new WidgetFactory(beanClass, style));
    }

    protected void registerFactory(String name, SwtFactory factory) {
        factories.put(name, factory);
    }

    protected void registerWidgets() {

        // widgets
        registerBeanFactory("button", Button.class, SWT.BORDER | SWT.PUSH | SWT.CENTER);
        registerBeanFactory("canvas", Canvas.class);
        registerBeanFactory("caret", Caret.class);
        registerBeanFactory("combo", Combo.class, SWT.DROP_DOWN);
        registerBeanFactory("composite", Composite.class);
        registerBeanFactory("scrolledComposite", ScrolledComposite.class, SWT.H_SCROLL
        | SWT.V_SCROLL);
        registerBeanFactory("coolBar", CoolBar.class, SWT.VERTICAL);
        registerBeanFactory("coolItem", CoolItem.class);
        registerBeanFactory("decorations", Decorations.class);
        registerBeanFactory("group", Group.class);
        registerBeanFactory("label", Label.class, SWT.HORIZONTAL | SWT.SHADOW_IN);
        registerBeanFactory("list", List.class);
        registerBeanFactory("menu", Menu.class, SWT.DEFAULT);
        //        registerMenuTag("menuBar", SWT.BAR);

        registerBeanFactory("menuSeparator", MenuItem.class, SWT.SEPARATOR);
        registerBeanFactory("menuItem", MenuItem.class);
        registerBeanFactory("messageBox", MessageBox.class);
        registerBeanFactory("progressBar", ProgressBar.class, SWT.HORIZONTAL);
        registerBeanFactory("sash", Sash.class);
        registerBeanFactory("scale", Scale.class);
        registerBeanFactory("shell", Shell.class, SWT.BORDER | SWT.CLOSE | SWT.MIN | SWT.MAX
        | SWT.RESIZE | SWT.TITLE);
        registerBeanFactory("slider", Slider.class);
        registerBeanFactory("tabFolder", TabFolder.class);
        registerBeanFactory("tabItem", TabItem.class);
        registerBeanFactory("table", Table.class, SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
        registerBeanFactory("tableColumn", TableColumn.class);
        registerBeanFactory("tableItem", TableItem.class);
        registerBeanFactory("text", Text.class);
        registerBeanFactory("toolBar", ToolBar.class, SWT.VERTICAL);
        registerBeanFactory("toolItem", ToolItem.class);
        registerBeanFactory("tracker", Tracker.class);
        registerBeanFactory("tree", Tree.class, SWT.MULTI);
        registerBeanFactory("treeItem", TreeItem.class);

        // custom widgets
        registerBeanFactory("cTabFolder", CTabFolder.class);
        registerBeanFactory("cTabItem", CTabItem.class);
        registerBeanFactory("tableTree", TableTree.class);
        registerBeanFactory("tableTreeItem", TableTreeItem.class);

        // layouts
        registerFactory("fillLayout", new LayoutFactory(FillLayout.class));
        registerFactory("gridLayout", new LayoutFactory(GridLayout.class));
        registerFactory("rowLayout", new LayoutFactory(RowLayout.class));

        // layout data objects
        registerFactory("gridData", new LayoutDataFactory(GridData.class));
        registerFactory("rowData", new LayoutDataFactory(RowData.class));

        // dialogs
        registerBeanFactory("colorDialog", ColorDialog.class);
        registerBeanFactory("directoryDialog", DirectoryDialog.class);
        registerBeanFactory("fileDialog", FileDialog.class);
        registerBeanFactory("fontDialog", FontDialog.class);

        // events
        registerFactory("onEvent", new ListenerFactory(Listener.class));

        // other tags
        registerFactory("image", new ImageFactory());

        // browser tags
        registerBeanFactory("browser", Browser.class, SWT.NONE);
        registerFactory("locationListener", new ListenerFactory(LocationListener.class));
        registerFactory("progressListener", new ListenerFactory(ProgressListener.class));
        registerFactory("statusTextListener", new ListenerFactory(StatusTextListener.class));

        // forms api
        registerFactory("form", new FormFactory("form"));
        registerFactory("scrolledForm", new FormFactory("scrolledForm"));
        registerFactory("formButton", new FormFactory("formButton"));
        registerFactory("formComposite", new FormFactory("formComposite"));
        registerFactory("formCompositeSeparator", new FormFactory("formCompositeSeparator"));
        registerFactory("formExpandableComposite", new FormFactory("formButton"));
        registerFactory("formText", new FormFactory("formText"));
        registerFactory("formHyperlink", new FormFactory("formHyperlink"));
        registerFactory("formImageHyperlink", new FormFactory("formImageHyperlink"));
        registerFactory("formLabel", new FormFactory("formLabel"));
        registerFactory("formPageBook", new FormFactory("formPageBook"));
        registerFactory("formSection", new FormFactory("formSection"));
        registerFactory("formSeparator", new FormFactory("formSeparator"));
        registerFactory("formTable", new FormFactory("formTable"));
        registerFactory("formFormattedText", new FormFactory("formFormattedText"));
        registerFactory("formTree", new FormFactory("formTree"));
        
        // forms layout
        registerFactory("tableWrapLayout", new LayoutFactory(TableWrapLayout.class));
        registerFactory("tableWrapData", new LayoutDataFactory(TableWrapData.class));
        
        // forms listeners
        registerFactory("hyperlinkListener", new ListenerFactory(HyperlinkListener.class));
        registerFactory("expansionListener", new ListenerFactory(ExpansionListener.class));
        

        // none eclipse widgets
        // registerBeanFactory("tDateText", TDateText.class);
        // registerBeanFactory("tCalendar", TCalendar.class);
        // registerBeanFactory("textEditor", TextEditor.class);        
    }

    /*
     * @see groovy.util.BuilderSupport#setParent(java.lang.Object,
     *      java.lang.Object)
     */
    protected void setParent(Object parent, Object child) {

        //  TODO implement this
        // 
        //  if (parent instanceof ScrolledComposite && widget instanceof Control) {
        //  	ScrolledComposite scrolledComposite = (ScrolledComposite) parent;
        //      scrolledComposite.setContent((Control) widget);
        //  }
        
    }
}