DocumentListController.java

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package com.arcle.rmt.superwaba.vc;

import waba.ui.Window;
import waba.ui.InputDialog;

import com.arcle.rmt.superwaba.vc.DocumentList;
import com.arcle.rmt.superwaba.vc.DocumentWindow;
import com.arcle.rmt.superwaba.vc.DocumentWindowController;
import com.arcle.rmt.superwaba.model.DocumentManager;
import com.arcle.rmt.superwaba.model.Document;
import com.arcle.rmt.superwaba.framework.Controller;
import com.arcle.rmt.superwaba.framework.View;
import com.arcle.rmt.superwaba.framework.Model;

public class DocumentListController extends ControllerBase {
    protected DocumentListController() {

    }

    public static DocumentListController getInstance() {
        if (_instance == null) {
            _instance = new DocumentListController();
        }
        return _instance;
    }

    //-----------------------------------------------------------------------
    // Controller implementation

    public void viewInitialized(View v) {

    }

    //-----------------------------------------------------------------------
    // Command-Handling methods

    public void cmdNewDocument() {
        Document doc = DocumentManager.getInstance().createDocument();
        Window topMost = Window.getTopMost();
        InputDialog dlg = createInputDialog("New Document",
            "Enter Document Title:", "", null);
        topMost.popupBlockingModal(dlg);

        if (dlg.getPressedButtonIndex() == 0) {
            String docTitle = dlg.getValue();
            doc.setTitle(docTitle);
            doEditDocument(doc);
        }
    }

    public void cmdEditDocument(String docName) {
        Document doc = DocumentManager.getInstance().loadDocument(docName);
        if (doc != null ) {
            doEditDocument(doc);
        } else {
            Window.getTopMost().popupBlockingModal(createMessageBox(
                "Edit Document", "Cannot open document: " + docName));
        }
    }

    //-----------------------------------------------------------------------

    protected void doEditDocument(Document doc) {
        DocumentWindowController ctrl = createDocumentWindowController(doc);
        DocumentWindow win = createDocumentWindow(ctrl);
        DocumentList.getInstance().popupBlockingModal(win);
        DocumentManager.getInstance().saveDocument(doc.getTitle(), doc);
        DocumentList.getInstance().modelUpdated();
    }

    //-----------------------------------------------------------------------
    // Factory Methods

    protected InputDialog createInputDialog(
            String title,
            String text,
            String defaultValue,
            String[] buttonCaptions) {
        InputDialog dlg;
        if (buttonCaptions == null) {
            dlg = new InputDialog(title, text, defaultValue);
        } else {
            dlg = new InputDialog(title, text, defaultValue, buttonCaptions);
        }

        /*
        // these doesn't work right yet.
        System.out.println(dlg.getPreferredHeight());
        dlg.setRect(InputDialog.LEFT, InputDialog.TOP, InputDialog.FILL,
            50);
        dlg.makeUnmovable();
        */
        return dlg;
    }

    protected DocumentWindowController createDocumentWindowController(Document doc) {
        return new DocumentWindowController(doc);
    }

    protected DocumentWindow createDocumentWindow(DocumentWindowController ctrl) {
        return new DocumentWindow(ctrl);
    }

    //-----------------------------------------------------------------------
    // Member variables.

    private static DocumentListController _instance = null;
}

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