AbstractDocumentWindow.java

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package com.arcle.rmt.superwaba.vc;

import waba.ui.ComboBox;
import waba.ui.Button;
import waba.ui.ListBox;
import waba.ui.ControlEvent;
import waba.ui.Event;
import waba.ui.MenuBar;

import com.arcle.rmt.xplat.util.List;
import com.arcle.rmt.superwaba.AboutDialog;
import com.arcle.rmt.superwaba.ui.CategoryWindow;
import com.arcle.rmt.superwaba.framework.View;
import com.arcle.rmt.superwaba.framework.Model;
import com.arcle.rmt.superwaba.model.Document;
import com.arcle.rmt.superwaba.vc.DocumentWindowController;
import com.arcle.rmt.superwaba.vc.ElementListController;

public abstract class AbstractDocumentWindow extends CategoryWindow
   implements View {
    public AbstractDocumentWindow(DocumentWindowController ctrl) {
        super("Document");
        _controller = ctrl;
    }

    //-----------------------------------------------------------------------
    // View implementation


    //-----------------------------------------------------------------------
    // Abstract Methods

    protected abstract List createPanels();

    //-----------------------------------------------------------------------
    // Implemented Abstract Methods

    protected String getPanelCaptionAt(int index) {
        return ((ElementList)getPanelAt(index)).getCaption();
    }

    public Button[] getCommandButtons() {
        return new Button[] {
            btnNew,
            btnClose,
            btnDelete
        };
    }

    //-----------------------------------------------------------------------
    // Overridden Methods

    protected void initChildren() {
        super.initChildren();
        btnNew = createButton("New");
        btnClose = createButton("Close");
        btnDelete = createButton("Delete");

        setMenuBar(createMenuBar());
    }


    public void onEvent(Event event) {
        DocumentWindowController ctrl = getController();
        switch(event.type) {
        case ControlEvent.PRESSED:
            if (event.target == btnNew) {
                doNewElement();
                event.consumed = true;
            } else if (event.target == btnClose) {
                ctrl.cmdCloseWindow();
            } else if (event.target == btnDelete) {
                ctrl.cmdDeleteDocument();
            }
        case ControlEvent.WINDOW_CLOSED:
            if (event.target == menubar) {
                handleMenuEvent(((MenuBar) menubar).getSelectedMenuItem());
            }

        }

        if (!event.consumed) {
            super.onEvent(event);
        }

    }

    protected void initCompleted() {
        getController().viewInitialized(this);
        setTitle(getDocument().getTitle());
    }

    protected void onPanelSwitched() {
        ElementList lst = (ElementList) getActivePanel();
        lst.modelUpdated();
    }


    //-----------------------------------------------------------------------
    // Factory methods

    protected MenuBar createMenuBar() {
        String[][] menuItems = new String[2][];

        menuItems[0] = createRequirementMenuItems();
        menuItems[1] = new String[] {
            "Help",
            "About..."
        };
        return new MenuBar(menuItems);
    }


    protected abstract String[] createRequirementMenuItems();

    //-----------------------------------------------------------------------
    // Accessor methods



    protected DocumentWindowController getController() {
        return _controller;
    }

    //-----------------------------------------------------------------------
    // Own Protected Methods

    protected void handleMenuEvent(int selectedItem) {
        if (0 <= selectedItem && selectedItem < 100) {
            // first pulldown menu was selected
            selectedItem--;
            setActivePanel(selectedItem);
            doNewElement();
        } else if (100 <= selectedItem && selectedItem < 200) {
            // second pulldown menu was selected
            selectedItem -= 100;
            switch(selectedItem) {
            case 1: // about dialog box
                AboutDialog.show();
            }
        }
    }


    protected void doNewElement() {
        ElementListController ctrl = ((ElementList)getActivePanel())
            .getController();
        ctrl.cmdNewElement();
    }


    protected Document getDocument() {
        return getController().getDocument();
    }


    private DocumentWindowController _controller;


    private Button btnNew;

    private Button btnClose;

    private Button btnDelete;
}

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