com.edgenius.wiki.gwt.client.widgets.UploadDialog.java Source code

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Here is the source code for com.edgenius.wiki.gwt.client.widgets.UploadDialog.java

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/* 
 * =============================================================
 * Copyright (C) 2007-2011 Edgenius (http://www.edgenius.com)
 * =============================================================
 * License Information: http://www.edgenius.com/licensing/edgenius/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 *  
 * ****************************************************************
 */
package com.edgenius.wiki.gwt.client.widgets;

import com.edgenius.wiki.gwt.client.Callback;
import com.edgenius.wiki.gwt.client.Css;
import com.edgenius.wiki.gwt.client.GwtClientUtils;
import com.edgenius.wiki.gwt.client.constant.PageSaveMethod;
import com.edgenius.wiki.gwt.client.i18n.Msg;
import com.edgenius.wiki.gwt.client.page.PageMain;
import com.edgenius.wiki.gwt.client.page.widgets.AttachmentPanel;
import com.edgenius.wiki.gwt.client.server.constant.PageType;
import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.ui.DeckPanel;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Frame;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Image;

/**
 * @author Dapeng.Ni
 */
public class UploadDialog extends DialogBox implements DialogListener {

    private AttachmentPanel attachmentPanel;
    private String spaceUname;
    private String pageUuid;
    private PageType draft;
    private DeckPanel deck = new DeckPanel();

    public UploadDialog(AttachmentPanel attachmentPanel, final String spaceUname, String pageUuid,
            final PageType draft) {
        this.setText(Msg.consts.upload());
        this.setIcon(new Image(IconBundle.I.get().upload()));

        this.attachmentPanel = attachmentPanel;
        this.spaceUname = spaceUname;
        this.pageUuid = pageUuid;
        this.draft = draft;

        FlowPanel busyPanel = new FlowPanel();
        String id = HTMLPanel.createUniqueId();
        HTMLPanel busyPanelDiv = new HTMLPanel("<span></span><div id='" + id + "'></div>");
        busyPanelDiv.add(IconBundle.I.loading(), id);
        busyPanel.add(busyPanelDiv);
        busyPanelDiv.setStyleName(Css.BUSY_PANEL);
        busyPanelDiv.addStyleName("upload");

        deck.add(busyPanel);

        //If editing, always save auto draft - 2 scenarios: first if  pageUuid is null, means new page, must be save draft.
        //otherwise, an existing page, however, user needs a draft to reload these draft attachments - I set it always save draft that is 100% perfect because here 
        //does not check if this editing already has a draft saved. 
        if (attachmentPanel.getPageMain().getVisiblePanelIndex() == PageMain.EDIT_PANEL) {
            //           if(StringUtil.isBlank(pageUuid)){
            //could a unsaved new page - save a auto draft then turn page again
            attachmentPanel.getPageMain().editPanel.saveDraft(PageSaveMethod.SAVE_AUTO_DRAFT_STAY_IN_EDIT,
                    new Callback<String>() {
                        @Override
                        public void callback(String pageUuid) {
                            UploadDialog.this.pageUuid = pageUuid;
                            Frame upload = new Frame(GwtClientUtils.getBaseUrl() + "pages/upload?uname="
                                    + URL.encodeQueryString(spaceUname) + "&puuid=" + pageUuid + "&draft="
                                    + draft.value());
                            upload.setSize("100%", "100%");
                            deck.add(upload);
                        }
                    });
            //          }
        } else {
            Frame upload = new Frame(GwtClientUtils.getBaseUrl() + "pages/upload?uname="
                    + URL.encodeQueryString(spaceUname) + "&puuid=" + pageUuid + "&draft=" + draft.value());
            upload.setSize("100%", "100%");
            deck.add(upload);
        }

        deck.showWidget(0);
        this.setWidget(deck);
        deck.setSize("100%", "100%");
        this.addStyleName(Css.UPLOAD_DIALOG_BOX);
        this.addDialogListener(this);

        this.bindJSMethod(this);

    }

    @Override
    public boolean dialogOpening(DialogBox dialog) {
        return true;
    }

    @Override
    public void dialogOpened(DialogBox dialog) {
    }

    @Override
    public boolean dialogClosing(DialogBox dialog) {
        //      if(isDirty()){
        //always refresh attachment panel - until  isDirty() working. 
        attachmentPanel.refresh(spaceUname, pageUuid, draft);
        //      }
        return true;
    }

    @Override
    public void dialogClosed(DialogBox dialog) {
    }

    @Override
    public void dialogRelocated(DialogBox dialog) {
    }

    public void ready() {
        deck.showWidget(1);
    }

    public native boolean bindJSMethod(UploadDialog dialog)/*-{
                                                           $wnd.gwtUploadPageReady = function() {
                                                           dialog.@com.edgenius.wiki.gwt.client.widgets.UploadDialog::ready()();
                                                           };
                                                           }-*/;

    public native boolean isDirty()/*-{
                                   return $wnd.isAttachmentDirty();
                                   }-*/;
}