source: trunk/src/org/expeditee/actions/JfxBrowserActions.java@ 919

Last change on this file since 919 was 919, checked in by jts21, 10 years ago

Added license headers to all files, added full GPL3 license file, moved license header generator script to dev/bin/scripts
File size: 10.8 KB
Line 
1/**
2 * JfxBrowserActions.java
3 * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19package org.expeditee.actions;
20
21import java.io.IOException;
22import java.io.InputStreamReader;
23import java.net.HttpURLConnection;
24import java.net.MalformedURLException;
25import java.net.URI;
26import java.net.URISyntaxException;
27import java.net.URL;
28import java.net.URLEncoder;
29import java.util.ArrayList;
30
31import org.expeditee.gui.Browser;
32import org.expeditee.gui.DisplayIO;
33import org.expeditee.gui.Frame;
34import org.expeditee.gui.FrameGraphics;
35import org.expeditee.gui.FrameIO;
36import org.expeditee.gui.FrameMouseActions;
37import org.expeditee.gui.FrameUtils;
38import org.expeditee.gui.FreeItems;
39import org.expeditee.gui.MessageBay;
40import org.expeditee.io.WebParser;
41import org.expeditee.items.Item;
42import org.expeditee.items.Picture;
43import org.expeditee.items.Text;
44import org.expeditee.items.widgets.InteractiveWidget;
45import org.expeditee.items.widgets.JfxBrowser;
46import org.expeditee.settings.exploratorysearch.ExploratorySearchSettings;
47import org.expeditee.settings.network.NetworkSettings;
48import org.json.simple.JSONObject;
49import org.json.simple.parser.JSONParser;
50import org.json.simple.parser.ParseException;
51
52
53
54/**
55 * A list of Actions used with the JFX Browser widget
56 *
57 */
58public class JfxBrowserActions {
59
60 /**
61 * Launches items.widgets.JfxBrowser and uses Text item as URL.
62 * @param text Text item which passes contents as URL for browser.
63 * @throws Exception
64 */
65 public static void startBrowser(Item text) throws Exception {
66 if (!(text instanceof Text)) {
67 MessageBay.errorMessage("Must be a text item.");
68 return;
69 }
70 if(text.getLink() != null) {
71 MessageBay.errorMessage("Text item cannot have link.");
72 return;
73 }
74
75 Text wt = new Text("@iw:org.expeditee.items.widgets.JfxBrowser"); // create new text item for browser widget
76
77 if(FreeItems.textOnlyAttachedToCursor()) { // navigates to url specified by the text item
78 wt.appendText(":" + text.getText());
79 } else {
80 wt.appendText(":http://www.waikato.ac.nz");
81 }
82
83 FreeItems.getInstance().clear(); // remove url text from cursor
84
85 wt.setParent(DisplayIO.getCurrentFrame()); // set parent of text source for InteractiveWidget.createWidget()
86 wt.setXY(FrameMouseActions.getX(), FrameMouseActions.getY());
87
88 // create widget from text item
89 JfxBrowser browser = (JfxBrowser) InteractiveWidget.createWidget(wt);
90
91 FrameMouseActions.pickup(browser.getItems()); // attach browser widget to mouse
92 }
93
94 /**
95 * Text item becomes link to new frame containing items.widgets.JfxBrowser and uses Text item as URL for browser.
96 * @param text Text item which passes contents as URL for browser and becomes link to the browser's new frame.
97 * @throws Exception
98 */
99 public static void startBrowserNewFrame(Item text) throws Exception {
100 if (!(text instanceof Text)) {
101 MessageBay.errorMessage("Must be a text item.");
102 return;
103 }
104 if(text.getLink() != null) { // text item can't already have a link
105 MessageBay.errorMessage("Text item already has link.");
106 return;
107 }
108
109 // If no text with url is passed to action create a new text item with http://www.waikato.ac.nz for a default url
110 if(!FreeItems.textOnlyAttachedToCursor()) {
111 text = DisplayIO.getCurrentFrame().addText(FrameMouseActions.getX(), FrameMouseActions.getY(),
112 NetworkSettings.HomePage.get(), null);
113 text.setParent(DisplayIO.getCurrentFrame()); // set parent of text source for InteractiveWidget.createWidget()
114 FrameMouseActions.pickup(text); // Attach new text link to cursor
115 }
116
117 // Create JfxBrowser widget on a new frame
118 Frame frame = FrameIO.CreateNewFrame(text); // create new frame for browser
119 frame.removeAllItems(frame.getItems());
120 text.setLink("" + frame.getNumber()); // link this text item to new frame
121
122 // Create widget via text annotation
123 Text wt = frame.addText(0, 0, "@iw: org.expeditee.items.widgets.JfxBrowser "
124 + ("--anchorLeft 0 --anchorRight 0 --anchorTop 0 --anchorBottom 0 ")
125 + Browser._theBrowser.getContentPane().getWidth() + " " + Browser._theBrowser.getContentPane().getHeight()
126 + " : " + text.getText(), null);
127
128 InteractiveWidget.createWidget(wt);
129
130 FrameIO.SaveFrame(frame); // save frame to disk
131 }
132
133 public static void parsePage(Item text) throws Exception {
134 if (!(text instanceof Text) || !FreeItems.textOnlyAttachedToCursor()) {
135 MessageBay.errorMessage("Must provide a text item.");
136 return;
137 }
138 if(text.getLink() != null) { // text item can't already have a link
139 MessageBay.errorMessage("Text item already has link.");
140 return;
141 }
142
143 // Create JfxBrowser widget on a new frame
144 Frame frame = FrameIO.CreateNewFrame(text); // create new frame for browser
145 text.setLink("" + frame.getNumber()); // link this text item to new frame
146 frame.addText(100, 100, "test", null);
147
148 WebParser.parseURL(text.getText(), frame);
149 System.out.println(text.getText());
150 }
151
152 public static void gotoURL(Text link, String URL) {
153 Frame frame = FrameIO.CreateNewFrame(link);
154 link.setAction(null);
155 link.setLink("" + frame.getNumber());
156
157 WebParser.parseURL(URL, frame);
158
159 frame.change();
160
161 FrameIO.SaveFrame(frame);
162 }
163
164 /**
165 * Creates a frame containing a JFXBrowser pointed to the specified URL, then navigates to that frame
166 *
167 * @param link
168 * Item that will link to the new frame
169 * @param url
170 * URL to load in the Web Browser of the new frame
171 * @throws Exception
172 */
173 public static void createFrameWithBrowser(Item link, String url) throws Exception {
174 Frame frame = FrameIO.CreateNewFrame(link);
175 frame.removeAllItems(frame.getItems());
176
177 link.setLink("" + frame.getNumber());
178 link.setAction(null);
179
180 // Create widget via text annotation
181 frame.addText(10, 10, "@iw: org.expeditee.items.widgets.JfxBrowser " + (int) (FrameGraphics.getMaxFrameSize().getWidth() * 0.9) + " "
182 + (int) (FrameGraphics.getMaxFrameSize().getHeight() * 0.9) + " : " + url, null);
183
184 FrameIO.SaveFrame(frame);
185
186 FrameUtils.DisplayFrame(link.getAbsoluteLink());
187 }
188
189 /**
190 * Uses the DuckDuckGo search API to provide short answers (e.g. definitions
191 *
192 * @param input
193 */
194 public static void askTheDuck(Text input) {
195
196 final String query = input.getText();
197 System.out.println(query);
198 input.delete();
199
200
201 final JSONParser parser = new JSONParser();
202
203
204 new Thread(new Runnable() {
205
206 @Override
207 public void run() {
208 try {
209 String queryForUrl = URLEncoder.encode(query.trim(), "UTF-8");
210
211 HttpURLConnection connection = (HttpURLConnection) (new URL("http://api.duckduckgo.com/?q=" + queryForUrl + "&format=json&no_html=1&no_redirect=1&t=expeditee").openConnection());
212
213 Object parsedObject = parser.parse(new InputStreamReader(connection.getInputStream()));
214
215 JSONObject jsonObject = (JSONObject) parsedObject;
216
217 String abstractText = (String) jsonObject.get("AbstractText");
218 String definition = (String) jsonObject.get("Definition");
219 String answer = (String) jsonObject.get("Answer");
220
221 String title = "";
222 String mainText = "";
223 String sourceUrl = "";
224 String sourceName = "";
225
226 if (!abstractText.equals("")) {
227
228 sourceUrl = (String) jsonObject.get("AbstractURL");
229 sourceName = "Via " + (String) jsonObject.get("AbstractSource");
230 title = (String) jsonObject.get("Heading");
231 mainText = abstractText;
232
233 } else if (!definition.equals("")) {
234
235 sourceUrl = (String) jsonObject.get("DefinitionURL");
236 sourceName = "Via " + (String) jsonObject.get("DefinitionSource");
237 title = query;
238 mainText = definition;
239
240 } else if (!answer.equals("")) {
241
242 sourceUrl = (String) jsonObject.get("AbstractURL");
243 sourceName = "Via " + (String) jsonObject.get("AbstractSource");
244 title = (String) jsonObject.get("AnswerType") + " " + query;
245 mainText = answer;
246
247 } else {
248 title = query;
249
250 mainText = "No instant answer available";
251
252 sourceUrl = (String) jsonObject.get("Redirect");
253 sourceName = "View Search Results";
254 }
255
256 if (sourceUrl.equals("")) {
257 sourceUrl = "http://duckduckgo.com/?q=" + queryForUrl;
258 }
259
260 String picSource = (String) jsonObject.get("Image");
261
262 // List to hold the items that will be attached to the cursor
263 ArrayList<Item> items = new ArrayList<Item>();
264
265 Text titleItem = new Text(title);
266 Text mainTextItem = new Text(mainText);
267 Text sourceItem = new Text(sourceName);
268 Text ddgLink = new Text("Results from DuckDuckGo");
269
270 sourceItem.setAction("createFrameWithBrowser " + sourceUrl);
271 ddgLink.setAction("createFrameWithBrowser " + "http://duckduckgo.com/?q=" + queryForUrl);
272
273 titleItem.setFamily("sans-serif");
274 titleItem.setSize(16);
275 titleItem.setFontStyle("bold");
276 titleItem.setWidth(400);
277
278 mainTextItem.setFamily("sans-serif");
279 mainTextItem.setSize(14);
280 mainTextItem.setWidth(400);
281
282 sourceItem.setFamily("sans-serif");
283 sourceItem.setSize(12);
284 sourceItem.setWidth(400);
285 sourceItem.setFontStyle("italic");
286
287 ddgLink.setFamily("sans-serif");
288 ddgLink.setSize(12);
289 ddgLink.setWidth(400);
290 ddgLink.setFontStyle("italic");
291
292
293 Picture pic = null;
294
295 if (!picSource.equals("")) {
296 pic = WebParser.getImageFromUrl(picSource, null, DisplayIO.getCurrentFrame(), 0, 0, 50, null, null,
297 null, null, null, 0, 0);
298 items.add(pic);
299 items.add(pic.getSource());
300 }
301
302 titleItem.setPosition(FrameMouseActions.getPosition());
303 mainTextItem.setPosition(titleItem.getX(), titleItem.getY() + titleItem.getBoundsHeight());
304 sourceItem.setPosition(mainTextItem.getX(), mainTextItem.getY() + mainTextItem.getBoundsHeight());
305 ddgLink.setPosition(sourceItem.getX() + sourceItem.getBoundsWidth(), sourceItem.getY());
306
307 if (pic != null) {
308 pic.getSource().setPosition(titleItem.getX() - 55, titleItem.getY() - 14);
309 }
310
311 items.add(titleItem);
312 items.add(mainTextItem);
313 items.add(sourceItem);
314 items.add(ddgLink);
315 FrameMouseActions.pickup(items);
316 } catch (IOException e) {
317 MessageBay.displayMessage("Problem loading results");
318 e.printStackTrace();
319 } catch (ParseException e) {
320 e.printStackTrace();
321 }
322 }
323 }).start();
324 }
325}
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