source: trunk/src/org/expeditee/actions/JfxBrowserActions.java@ 857

Last change on this file since 857 was 857, checked in by ngw8, 10 years ago

Forgot to commit changes to classpath after adding library
File size: 9.9 KB
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1package org.expeditee.actions;
2
3import java.io.IOException;
4import java.io.InputStreamReader;
5import java.net.HttpURLConnection;
6import java.net.MalformedURLException;
7import java.net.URI;
8import java.net.URISyntaxException;
9import java.net.URL;
10import java.net.URLEncoder;
11import java.util.ArrayList;
12
13import org.expeditee.gui.Browser;
14import org.expeditee.gui.DisplayIO;
15import org.expeditee.gui.Frame;
16import org.expeditee.gui.FrameGraphics;
17import org.expeditee.gui.FrameIO;
18import org.expeditee.gui.FrameMouseActions;
19import org.expeditee.gui.FrameUtils;
20import org.expeditee.gui.FreeItems;
21import org.expeditee.gui.MessageBay;
22import org.expeditee.io.WebParser;
23import org.expeditee.items.Item;
24import org.expeditee.items.Picture;
25import org.expeditee.items.Text;
26import org.expeditee.items.widgets.InteractiveWidget;
27import org.expeditee.items.widgets.JfxBrowser;
28import org.expeditee.settings.network.NetworkSettings;
29import org.json.simple.JSONObject;
30import org.json.simple.parser.JSONParser;
31import org.json.simple.parser.ParseException;
32
33
34
35/**
36 * A list of Actions used with the JFX Browser widget
37 *
38 */
39public class JfxBrowserActions {
40
41 /**
42 * Launches items.widgets.JfxBrowser and uses Text item as URL.
43 * @param text Text item which passes contents as URL for browser.
44 * @throws Exception
45 */
46 public static void startBrowser(Item text) throws Exception {
47 if (!(text instanceof Text)) {
48 MessageBay.errorMessage("Must be a text item.");
49 return;
50 }
51 if(text.getLink() != null) {
52 MessageBay.errorMessage("Text item cannot have link.");
53 return;
54 }
55
56 Text wt = new Text("@iw:org.expeditee.items.widgets.JfxBrowser"); // create new text item for browser widget
57
58 if(FreeItems.textOnlyAttachedToCursor()) { // navigates to url specified by the text item
59 wt.appendText(":" + text.getText());
60 } else {
61 wt.appendText(":http://www.waikato.ac.nz");
62 }
63
64 FreeItems.getInstance().clear(); // remove url text from cursor
65
66 wt.setParent(DisplayIO.getCurrentFrame()); // set parent of text source for InteractiveWidget.createWidget()
67 wt.setXY(FrameMouseActions.getX(), FrameMouseActions.getY());
68
69 // create widget from text item
70 JfxBrowser browser = (JfxBrowser) InteractiveWidget.createWidget(wt);
71
72 FrameMouseActions.pickup(browser.getItems()); // attach browser widget to mouse
73 }
74
75 /**
76 * Text item becomes link to new frame containing items.widgets.JfxBrowser and uses Text item as URL for browser.
77 * @param text Text item which passes contents as URL for browser and becomes link to the browser's new frame.
78 * @throws Exception
79 */
80 public static void startBrowserNewFrame(Item text) throws Exception {
81 if (!(text instanceof Text)) {
82 MessageBay.errorMessage("Must be a text item.");
83 return;
84 }
85 if(text.getLink() != null) { // text item can't already have a link
86 MessageBay.errorMessage("Text item already has link.");
87 return;
88 }
89
90 // If no text with url is passed to action create a new text item with http://www.waikato.ac.nz for a default url
91 if(!FreeItems.textOnlyAttachedToCursor()) {
92 text = DisplayIO.getCurrentFrame().addText(FrameMouseActions.getX(), FrameMouseActions.getY(),
93 NetworkSettings.HomePage.get(), null);
94 text.setParent(DisplayIO.getCurrentFrame()); // set parent of text source for InteractiveWidget.createWidget()
95 FrameMouseActions.pickup(text); // Attach new text link to cursor
96 }
97
98 // Create JfxBrowser widget on a new frame
99 Frame frame = FrameIO.CreateNewFrame(text); // create new frame for browser
100 frame.removeAllItems(frame.getItems());
101 text.setLink("" + frame.getNumber()); // link this text item to new frame
102
103 // Create widget via text annotation
104 Text wt = frame.addText(0, 0, "@iw: org.expeditee.items.widgets.JfxBrowser "
105 + Browser._theBrowser.getContentPane().getWidth() + " " + Browser._theBrowser.getContentPane().getHeight()
106 + " : " + text.getText(), null);
107
108 InteractiveWidget.createWidget(wt);
109
110 FrameIO.SaveFrame(frame); // save frame to disk
111 }
112
113 public static void parsePage(Item text) throws Exception {
114 if (!(text instanceof Text) || !FreeItems.textOnlyAttachedToCursor()) {
115 MessageBay.errorMessage("Must provide a text item.");
116 return;
117 }
118 if(text.getLink() != null) { // text item can't already have a link
119 MessageBay.errorMessage("Text item already has link.");
120 return;
121 }
122
123 // Create JfxBrowser widget on a new frame
124 Frame frame = FrameIO.CreateNewFrame(text); // create new frame for browser
125 text.setLink("" + frame.getNumber()); // link this text item to new frame
126 frame.addText(100, 100, "test", null);
127
128 WebParser.parseURL(text.getText(), frame);
129 System.out.println(text.getText());
130 }
131
132 public static void gotoURL(Text link, String URL) {
133 Frame frame = FrameIO.CreateNewFrame(link);
134 link.setAction(null);
135 link.setLink("" + frame.getNumber());
136
137 WebParser.parseURL(URL, frame);
138
139 frame.change();
140
141 FrameIO.SaveFrame(frame);
142 }
143
144 /**
145 * Creates a frame containing a JFXBrowser pointed to the specified URL, then navigates to that frame
146 *
147 * @param link
148 * Item that will link to the new frame
149 * @param url
150 * URL to load in the Web Browser of the new frame
151 * @throws Exception
152 */
153 public static void createFrameWithBrowser(Text link, String url) throws Exception {
154 Frame frame = FrameIO.CreateNewFrame(link);
155 frame.removeAllItems(frame.getItems());
156 link.setLink("" + frame.getNumber());
157 link.setAction(null);
158
159 // Create widget via text annotation
160 Text wt = frame.addText(10, 10, "@iw: org.expeditee.items.widgets.JfxBrowser " + (int) (FrameGraphics.getMaxFrameSize().getWidth() * 0.9) + " "
161 + (int) (FrameGraphics.getMaxFrameSize().getHeight() * 0.9) + " : " + url, null);
162
163 FrameIO.SaveFrame(frame);
164
165 FrameUtils.DisplayFrame(link.getAbsoluteLink());
166 }
167
168 /**
169 * Uses the DuckDuckGo search API to provide short answers (e.g. definitions
170 *
171 * @param input
172 */
173 public static void askTheDuck(Text input) {
174
175 final String query = input.getText();
176 System.out.println(query);
177 input.delete();
178
179
180 final JSONParser parser = new JSONParser();
181
182
183 new Thread(new Runnable() {
184
185 @Override
186 public void run() {
187 try {
188 String queryForUrl = URLEncoder.encode(query.trim(), "UTF-8");
189
190 HttpURLConnection connection = (HttpURLConnection) (new URL("http://api.duckduckgo.com/?q=" + queryForUrl + "&format=json&no_html=1&no_redirect=1&t=expeditee").openConnection());
191
192 Object parsedObject = parser.parse(new InputStreamReader(connection.getInputStream()));
193
194 JSONObject jsonObject = (JSONObject) parsedObject;
195
196 String abstractText = (String) jsonObject.get("AbstractText");
197 String definition = (String) jsonObject.get("Definition");
198 String answer = (String) jsonObject.get("Answer");
199
200 String title = "";
201 String mainText = "";
202 String sourceUrl = "";
203 String sourceName = "";
204
205 if (!abstractText.equals("")) {
206
207 sourceUrl = (String) jsonObject.get("AbstractURL");
208 sourceName = "Via " + (String) jsonObject.get("AbstractSource");
209 title = (String) jsonObject.get("Heading");
210 mainText = abstractText;
211
212 } else if (!definition.equals("")) {
213
214 sourceUrl = (String) jsonObject.get("DefinitionURL");
215 sourceName = "Via " + (String) jsonObject.get("DefinitionSource");
216 title = query;
217 mainText = definition;
218
219 } else if (!answer.equals("")) {
220
221 sourceUrl = (String) jsonObject.get("AbstractURL");
222 sourceName = "Via " + (String) jsonObject.get("AbstractSource");
223 title = (String) jsonObject.get("AnswerType") + " " + query;
224 mainText = answer;
225
226 } else {
227 title = query;
228
229 mainText = "No instant answer available";
230
231 sourceUrl = (String) jsonObject.get("Redirect");
232 sourceName = "View Search Results";
233 }
234
235 if (sourceUrl.equals("")) {
236 sourceUrl = "http://duckduckgo.com/?q=" + queryForUrl;
237 }
238
239 String picSource = (String) jsonObject.get("Image");
240
241 // List to hold the items that will be attached to the cursor
242 ArrayList<Item> items = new ArrayList<Item>();
243
244 Text titleItem = new Text(title);
245 Text mainTextItem = new Text(mainText);
246 Text sourceItem = new Text(sourceName);
247 Text ddgLink = new Text("Results from DuckDuckGo");
248
249 sourceItem.setAction("createFrameWithBrowser " + sourceUrl);
250 ddgLink.setAction("createFrameWithBrowser " + "http://duckduckgo.com/?q=" + queryForUrl);
251
252 titleItem.setFamily("sans-serif");
253 titleItem.setSize(16);
254 titleItem.setFontStyle("bold");
255 titleItem.setWidth(400);
256
257 mainTextItem.setFamily("sans-serif");
258 mainTextItem.setSize(14);
259 mainTextItem.setWidth(400);
260
261 sourceItem.setFamily("sans-serif");
262 sourceItem.setSize(12);
263 sourceItem.setWidth(400);
264 sourceItem.setFontStyle("italic");
265
266 ddgLink.setFamily("sans-serif");
267 ddgLink.setSize(12);
268 ddgLink.setWidth(400);
269 ddgLink.setFontStyle("italic");
270
271
272 Picture pic = null;
273
274 if (!picSource.equals("")) {
275 pic = WebParser.getImageFromUrl(picSource, null, DisplayIO.getCurrentFrame(), 0, 0, 50, null, null,
276 null, null, null, 0, 0);
277 items.add(pic);
278 items.add(pic.getSource());
279 }
280
281 titleItem.setPosition(FrameMouseActions.getPosition());
282 mainTextItem.setPosition(titleItem.getX(), titleItem.getY() + titleItem.getBoundsHeight());
283 sourceItem.setPosition(mainTextItem.getX(), mainTextItem.getY() + mainTextItem.getBoundsHeight());
284 ddgLink.setPosition(sourceItem.getX() + sourceItem.getBoundsWidth(), sourceItem.getY());
285
286 if (pic != null) {
287 pic.getSource().setPosition(titleItem.getX() - 55, titleItem.getY() - 14);
288 }
289
290 items.add(titleItem);
291 items.add(mainTextItem);
292 items.add(sourceItem);
293 items.add(ddgLink);
294 FrameMouseActions.pickup(items);
295 } catch (IOException e) {
296 MessageBay.displayMessage("Problem loading results");
297 e.printStackTrace();
298 } catch (ParseException e) {
299 e.printStackTrace();
300 }
301 }
302 }).start();
303 }
304}
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