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