root / src / gr / ebs / gss / client / AbstractPropertiesDialog.java @ fa556159
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/*
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* Copyright 2007, 2008, 2009 Electronic Business Systems Ltd.
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*
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* This file is part of GSS.
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*
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* GSS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GSS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GSS. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gr.ebs.gss.client; |
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import gr.ebs.gss.client.rest.GetCommand; |
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import gr.ebs.gss.client.rest.resource.TagsResource; |
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import java.util.Iterator; |
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import java.util.List; |
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import com.google.gwt.core.client.GWT; |
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import com.google.gwt.user.client.DeferredCommand; |
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import com.google.gwt.user.client.ui.Button; |
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import com.google.gwt.user.client.ui.ClickListener; |
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import com.google.gwt.user.client.ui.DialogBox; |
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import com.google.gwt.user.client.ui.FlowPanel; |
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import com.google.gwt.user.client.ui.KeyboardListener; |
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import com.google.gwt.user.client.ui.TabPanel; |
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import com.google.gwt.user.client.ui.TextBox; |
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import com.google.gwt.user.client.ui.Widget; |
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/**
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* Abstract class, parent of all 'File properties' dialog boxes.
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*
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* @author droutsis
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*/
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public abstract class AbstractPropertiesDialog extends DialogBox { |
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protected static final String MULTIPLE_VALUES_TEXT = "(Multiple values)"; |
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/**
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* Text box with the tags associated with the file
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*/
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protected TextBox tags = new TextBox(); |
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protected String initialTagText; |
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/**
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* A FlowPanel with all user tags
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*/
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protected FlowPanel allTagsContent;
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protected TabPanel inner = null; |
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/**
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* The widget's constructor.
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*
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*/
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public AbstractPropertiesDialog() {
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// Enable IE selection for the dialog (must disable it upon closing it)
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GSS.enableIESelection(); |
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setAnimationEnabled(true);
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} |
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/**
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* Retrieves all user tags from the server and updates the FlowPanel
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*
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* @param userId
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*/
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protected void updateTags() { |
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GetCommand<TagsResource> tc = new GetCommand<TagsResource>(TagsResource.class, GSS.get().getCurrentUserResource().getTagsPath()) {
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@Override
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public void onComplete() { |
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allTagsContent.clear(); |
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TagsResource tagr = getResult(); |
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List<String> userTags = tagr.getTags(); |
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Iterator t = userTags.iterator();
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while (t.hasNext()) {
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final Button tag = new Button((String) t.next(), new ClickListener() { |
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public void onClick(Widget sender) { |
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String existing = tags.getText();
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if (MULTIPLE_VALUES_TEXT.equals(existing)) existing = ""; |
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String newTag = ((Button) sender).getText().trim(); |
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// insert the new tag only if it is not in the list
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// already
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if (existing.indexOf(newTag + ",") == -1 && !existing.trim().endsWith(newTag)) |
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tags.setText(existing.trim() + (existing.length() > 0 ? ", " : "") + newTag); |
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} |
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}); |
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allTagsContent.add(tag); |
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} |
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} |
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@Override
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public void onError(Throwable t) { |
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GWT.log("", t);
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GSS.get().displayError("Unable to fetch user tags");
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} |
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}; |
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DeferredCommand.addCommand(tc); |
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} |
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/**
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* Accepts any change and updates the file
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*
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*/
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protected abstract void accept(); |
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@Override
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@SuppressWarnings("fallthrough") |
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public boolean onKeyDownPreview(char key, int modifiers) { |
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// Use the popup's key preview hooks to close the dialog when either
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// enter or escape is pressed.
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switch (key) {
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case KeyboardListener.KEY_ENTER:
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accept(); |
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case KeyboardListener.KEY_ESCAPE:
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closeDialog(); |
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break;
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} |
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return true; |
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} |
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public void selectTab(int _tab) { |
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inner.selectTab(_tab); |
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} |
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/**
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* Enables IE selection prevention and hides the dialog
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* (we disable the prevention on creation of the dialog)
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*/
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public void closeDialog() { |
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GSS.preventIESelection(); |
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hide(); |
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} |
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} |