com.ephesoft.dcma.gwt.foldermanager.client.view.FolderSystemTreeView.java Source code

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Here is the source code for com.ephesoft.dcma.gwt.foldermanager.client.view.FolderSystemTreeView.java

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/********************************************************************************* 
* Ephesoft is a Intelligent Document Capture and Mailroom Automation program 
* developed by Ephesoft, Inc. Copyright (C) 2010-2012 Ephesoft Inc. 
* 
* This program is free software; you can redistribute it and/or modify it under 
* the terms of the GNU Affero General Public License version 3 as published by the 
* Free Software Foundation with the addition of the following permission added 
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK 
* IN WHICH THE COPYRIGHT IS OWNED BY EPHESOFT, EPHESOFT DISCLAIMS THE WARRANTY 
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. 
* 
* 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 Affero General Public License for more 
* details. 
* 
* You should have received a copy of the GNU Affero General Public License along with 
* this program; if not, see http://www.gnu.org/licenses or write to the Free 
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 
* 02110-1301 USA. 
* 
* You can contact Ephesoft, Inc. headquarters at 111 Academy Way, 
* Irvine, CA 92617, USA. or at email address info@ephesoft.com. 
* 
* The interactive user interfaces in modified source and object code versions 
* of this program must display Appropriate Legal Notices, as required under 
* Section 5 of the GNU Affero General Public License version 3. 
* 
* In accordance with Section 7(b) of the GNU Affero General Public License version 3, 
* these Appropriate Legal Notices must retain the display of the "Ephesoft" logo. 
* If the display of the logo is not reasonably feasible for 
* technical reasons, the Appropriate Legal Notices must display the words 
* "Powered by Ephesoft". 
********************************************************************************/

package com.ephesoft.dcma.gwt.foldermanager.client.view;

import java.util.List;

import com.ephesoft.dcma.core.common.FileType;
import com.ephesoft.dcma.core.common.FileWrapper;
import com.ephesoft.dcma.gwt.core.client.View;
import com.ephesoft.dcma.gwt.core.client.i18n.LocaleDictionary;
import com.ephesoft.dcma.gwt.foldermanager.client.presenter.FolderSystemTreePresenter;
import com.ephesoft.dcma.gwt.foldermanager.shared.constant.FolderManagementMessages;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Tree;
import com.google.gwt.user.client.ui.TreeItem;

public class FolderSystemTreeView extends View<FolderSystemTreePresenter> {

    @UiField
    protected Tree tree;

    interface Binder extends UiBinder<Tree, FolderSystemTreeView> {
    }

    private static final Binder BINDER = GWT.create(Binder.class);

    public FolderSystemTreeView() {
        super();
        initWidget(BINDER.createAndBindUi(this));
    }

    public void expandTreeItem(TreeItem father, List<FileWrapper> files) {
        father.removeItems();
        for (FileWrapper file : files) {
            if (file.getKind() == FileType.DIR) {
                TreeItem newItem = new TreeItem(file.getName());
                father.addItem(newItem);
                if (file.isSubFolderContained()) {
                    newItem.addItem(LocaleDictionary.get().getMessageValue(FolderManagementMessages.LOADING));
                }
            }
        }
    }

    public void createFolderSystemTree(final String parentFolderName) {
        tree.clear();
        tree.setAnimationEnabled(true);

        TreeItem tItem = new TreeItem(parentFolderName);
        tItem.addItem(LocaleDictionary.get().getMessageValue(FolderManagementMessages.LOADING));
        tree.addOpenHandler(new OpenHandler<TreeItem>() {

            @Override
            public void onOpen(OpenEvent<TreeItem> openEvent) {
                TreeItem targetItem = (TreeItem) openEvent.getTarget();
                String path = findPath(targetItem);
                fetchTreeItems(targetItem, path);
                presenter.setCurrentTreeItem(targetItem);
            }
        });
        tree.addSelectionHandler(new SelectionHandler<TreeItem>() {

            @Override
            public void onSelection(SelectionEvent<TreeItem> selectionEvent) {
                TreeItem selectedItem = (TreeItem) selectionEvent.getSelectedItem();
                String path = findPath(selectedItem);
                presenter.refreshTableItems(path);
                fetchTreeItems(selectedItem, path);
                presenter.setFooterPath(path);
                presenter.setCurrentTreeItem(selectedItem);
            }
        });
        tree.addItem(tItem);
        tree.setSelectedItem(tItem, true);
    }

    public void fetchTreeItems(final TreeItem father, String path) {
        presenter.fetchTreeItems(father, path);
    }

    public String findPath(TreeItem item) {
        return presenter.findPath(item);
    }

    public void setTree(Tree tree) {
        this.tree = tree;
    }

    public Tree getTree() {
        return tree;
    }

}