1 | /**
|
---|
2 | * Settings.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 |
|
---|
19 | package org.expeditee.settings;
|
---|
20 |
|
---|
21 | import java.lang.reflect.Field;
|
---|
22 | import java.lang.reflect.Method;
|
---|
23 | import java.util.HashMap;
|
---|
24 | import java.util.Iterator;
|
---|
25 | import java.util.LinkedList;
|
---|
26 | import java.util.List;
|
---|
27 |
|
---|
28 | import org.expeditee.gui.AttributeValuePair;
|
---|
29 | import org.expeditee.gui.Frame;
|
---|
30 | import org.expeditee.gui.FrameCreator;
|
---|
31 | import org.expeditee.gui.MessageBay;
|
---|
32 | import org.expeditee.items.Text;
|
---|
33 | import org.expeditee.items.widgets.Password;
|
---|
34 | import org.expeditee.reflection.PackageLoader;
|
---|
35 | import org.expeditee.setting.Setting;
|
---|
36 | import org.expeditee.setting.VariableSetting;
|
---|
37 |
|
---|
38 | public abstract class Settings {
|
---|
39 |
|
---|
40 | public static final String SETTINGS_PACKAGE_PARENT = "org.expeditee.";
|
---|
41 | public static final String SETTINGS_PACKAGE = SETTINGS_PACKAGE_PARENT + "settings.";
|
---|
42 |
|
---|
43 | private static final class PageDescriptor {
|
---|
44 |
|
---|
45 | private final HashMap<String, Setting> settings = new HashMap<String, Setting>();
|
---|
46 | private final List<String> orderedEntries = new LinkedList<String>();
|
---|
47 | private final List<VariableSetting> settingsList = new LinkedList<VariableSetting>();
|
---|
48 | private final Method onParsed;
|
---|
49 |
|
---|
50 | private PageDescriptor(Class<?> clazz) {
|
---|
51 |
|
---|
52 | // populate map of settings
|
---|
53 | for(Field f : clazz.getFields()) {
|
---|
54 | // Only allow classes that inherit from Setting
|
---|
55 | if(!Setting.class.isAssignableFrom(f.getType())) continue;
|
---|
56 |
|
---|
57 | try {
|
---|
58 | Setting s = (Setting) f.get(null);
|
---|
59 | settings.put(f.getName().toLowerCase(), s);
|
---|
60 | if (s instanceof VariableSetting) settingsList.add((VariableSetting) s);
|
---|
61 | orderedEntries.add(f.getName());
|
---|
62 | } catch (Exception e) {
|
---|
63 | e.printStackTrace();
|
---|
64 | }
|
---|
65 | }
|
---|
66 |
|
---|
67 | Method m = null;
|
---|
68 |
|
---|
69 | try {
|
---|
70 | m = clazz.getMethod("onParsed", Text.class);
|
---|
71 | } catch(Exception e) {
|
---|
72 | // System.err.println(clazz.getName() + " has no onParsed(Text t) callback");
|
---|
73 | }
|
---|
74 |
|
---|
75 | this.onParsed = m;
|
---|
76 | }
|
---|
77 | }
|
---|
78 |
|
---|
79 | private static HashMap<String, PageDescriptor> _pages = new HashMap<String, PageDescriptor>();
|
---|
80 |
|
---|
81 | private static boolean _init = false;
|
---|
82 |
|
---|
83 | public static void Init()
|
---|
84 | {
|
---|
85 | if(_init) return;
|
---|
86 |
|
---|
87 | _init = true;
|
---|
88 |
|
---|
89 | try {
|
---|
90 | for(Class<?> clazz : PackageLoader.getClassesNew(SETTINGS_PACKAGE)) {
|
---|
91 | // Ignore this class since it's the controller
|
---|
92 | if(clazz.equals(Settings.class)) continue;
|
---|
93 |
|
---|
94 | String settingsPageName = clazz.getPackage().getName().toLowerCase().substring(SETTINGS_PACKAGE_PARENT.length());
|
---|
95 |
|
---|
96 | // System.out.println(settingsPage + " : " + clazz.getName());
|
---|
97 | _pages.put(settingsPageName, new PageDescriptor(clazz));
|
---|
98 | }
|
---|
99 |
|
---|
100 | } catch (Exception e) {
|
---|
101 | e.printStackTrace();
|
---|
102 | }
|
---|
103 | }
|
---|
104 |
|
---|
105 | /** Parses the settings tree, then resets any settings that were not set. */
|
---|
106 | public static void parseSettings(Text text)
|
---|
107 | {
|
---|
108 | List<VariableSetting> set = parseSettings(text, "");
|
---|
109 | List<VariableSetting> toDefault = new LinkedList<VariableSetting>();
|
---|
110 |
|
---|
111 | for(PageDescriptor pd : _pages.values()) toDefault.addAll(pd.settingsList);
|
---|
112 |
|
---|
113 | toDefault.removeAll(set);
|
---|
114 |
|
---|
115 | for(VariableSetting s : toDefault) {
|
---|
116 | try {
|
---|
117 | s.reset();
|
---|
118 | } catch (Exception e) {
|
---|
119 | e.printStackTrace();
|
---|
120 | }
|
---|
121 | }
|
---|
122 | }
|
---|
123 |
|
---|
124 | public static void resetAllSettings() {
|
---|
125 | for (PageDescriptor pd : _pages.values()) {
|
---|
126 | for (VariableSetting s : pd.settingsList) {
|
---|
127 | s.reset();
|
---|
128 | }
|
---|
129 | }
|
---|
130 | }
|
---|
131 |
|
---|
132 | /**
|
---|
133 | * Sets all the simple settings.
|
---|
134 | *
|
---|
135 | * @param text
|
---|
136 | * @param prefix
|
---|
137 | *
|
---|
138 | * @return List of VariableSettings that were changed
|
---|
139 | */
|
---|
140 | private static List<VariableSetting> parseSettings(Text text, String prefix) {
|
---|
141 |
|
---|
142 | List<VariableSetting> set = new LinkedList<VariableSetting>();
|
---|
143 |
|
---|
144 | Frame child = text.getChild();
|
---|
145 |
|
---|
146 | if(child == null) return set;
|
---|
147 |
|
---|
148 | String settingsPage = prefix + text.getText().trim().toLowerCase().replaceAll("^@", "");
|
---|
149 | PageDescriptor pd = _pages.get(settingsPage);
|
---|
150 | if(pd == null) return set;
|
---|
151 |
|
---|
152 | try {
|
---|
153 | // set the fields
|
---|
154 | List<Text> items = child.getBodyTextItems(false);
|
---|
155 | List<Text> annotations = new LinkedList<Text>(child.getAnnotationItems());
|
---|
156 | List<Frame> seen = new LinkedList<Frame>(); // to avoid getting stuck in a loop
|
---|
157 | seen.add(child);
|
---|
158 | // find all the frames for this settings page
|
---|
159 | while(!annotations.isEmpty()) {
|
---|
160 | Text annotation = annotations.remove(0);
|
---|
161 | Frame next = annotation.getChild();
|
---|
162 | if(next != null && !seen.contains(next)) {
|
---|
163 | items.addAll(next.getBodyTextItems(false));
|
---|
164 | annotations.addAll(next.getAnnotationItems());
|
---|
165 | seen.add(next);
|
---|
166 | }
|
---|
167 | }
|
---|
168 |
|
---|
169 | // parse all the settings items on this page
|
---|
170 | for(Text t : items) {
|
---|
171 | AttributeValuePair avp = new AttributeValuePair(t.getText(), false);
|
---|
172 | try {
|
---|
173 | String settingName = avp.getAttributeOrValue().trim().toLowerCase();
|
---|
174 | // System.out.println(avp.getAttributeOrValue().trim().toLowerCase().replaceAll("^@", ""));
|
---|
175 | Setting s = pd.settings.get(settingName);//.replaceAll("^@", ""));
|
---|
176 | if(s == null) {
|
---|
177 | if(settingName.startsWith("//") || settingName.startsWith("@")) {
|
---|
178 | continue;
|
---|
179 | }
|
---|
180 | // System.out.println("Couldn't find setting \"" + settingName + "\"");
|
---|
181 | List<String> validPages = new LinkedList<String>();
|
---|
182 | // if the setting isn't found on the current page, check all child pages
|
---|
183 | for(String k : _pages.keySet()) {
|
---|
184 | if(k.startsWith(settingsPage) && k.length() > settingsPage.length()) {
|
---|
185 | // System.out.println(k + " is a child of " + settingsPage);
|
---|
186 | PageDescriptor cpd = _pages.get(k);
|
---|
187 | Setting tmp = cpd.settings.get(settingName);
|
---|
188 | if(tmp != null) {
|
---|
189 | // System.out.println("Found setting in subpage: " + k);
|
---|
190 | s = tmp;
|
---|
191 | validPages.add(k);
|
---|
192 | }
|
---|
193 | }
|
---|
194 | }
|
---|
195 |
|
---|
196 | if(s == null) continue;
|
---|
197 |
|
---|
198 | if(validPages.size() > 1) {
|
---|
199 | StringBuffer warnMessage = new StringBuffer("Found multiple matching settings in the following settings subpages: ");
|
---|
200 | String lastPage = "";
|
---|
201 | for(String page : validPages) {
|
---|
202 | warnMessage.append("\"" + page + "\",");
|
---|
203 | lastPage = page;
|
---|
204 | }
|
---|
205 | warnMessage.deleteCharAt(warnMessage.length() - 1);
|
---|
206 | warnMessage.append(" - choosing " + lastPage);
|
---|
207 | MessageBay.warningMessage(warnMessage.toString());
|
---|
208 | }
|
---|
209 | }
|
---|
210 |
|
---|
211 | if(s.setSetting(t) && s instanceof VariableSetting) set.add((VariableSetting) s);
|
---|
212 |
|
---|
213 | } catch (Exception e) {
|
---|
214 | e.printStackTrace();
|
---|
215 | }
|
---|
216 | }
|
---|
217 |
|
---|
218 | // call the onParsed method if one exists
|
---|
219 | if(pd.onParsed != null) {
|
---|
220 | pd.onParsed.invoke(null, text);
|
---|
221 | }
|
---|
222 |
|
---|
223 | } catch (Exception e) {
|
---|
224 | e.printStackTrace();
|
---|
225 | return set;
|
---|
226 | }
|
---|
227 |
|
---|
228 | // if the page was a settings page, check if it has any subpages
|
---|
229 | for(Text t : child.getTextItems()) {
|
---|
230 | set.addAll(parseSettings(t, settingsPage + "."));
|
---|
231 | }
|
---|
232 | return set;
|
---|
233 | }
|
---|
234 |
|
---|
235 | public static void generateSettingsTree(Text link) {
|
---|
236 | generateSettingsTree("settings", link);
|
---|
237 | }
|
---|
238 |
|
---|
239 | private static void generateSettingsTree(String page, Text text) {
|
---|
240 | Frame parent = text.getParentOrCurrentFrame();
|
---|
241 | FrameCreator frames = new FrameCreator(parent.getFramesetName(), parent.getPath(), page, FrameCreator.ExistingFramesetOptions.AppendSegregatedFrames, false, null);
|
---|
242 | text.setLink(frames.getName());
|
---|
243 |
|
---|
244 | // Add subpages of the current page by recursing
|
---|
245 | for (String k: _pages.keySet()) {
|
---|
246 | if (k.startsWith(page.toLowerCase()) && !k.equals(page)) {
|
---|
247 | String name = k.substring(page.length() + 1);
|
---|
248 | if (name.indexOf('.') != -1) {
|
---|
249 | continue;
|
---|
250 | }
|
---|
251 | System.out.println("@Settings: Generating " + name);
|
---|
252 | generateSettingsTree(k, frames.addText(name.substring(0, 1).toUpperCase() + name.substring(1), null, null, null, false));
|
---|
253 | }
|
---|
254 | }
|
---|
255 |
|
---|
256 | // Start building current page
|
---|
257 | frames.setLastY(frames.getLastY() + 20);
|
---|
258 | // Add Settings of the current page
|
---|
259 | PageDescriptor pd = _pages.get(page);
|
---|
260 | if (pd == null) {
|
---|
261 | frames.save();
|
---|
262 | return;
|
---|
263 | }
|
---|
264 |
|
---|
265 | //Iterator<String> keys = pd.orderedEntries.stream().map(t -> t.toLowerCase()).iterator();
|
---|
266 | Iterator<String> keys = pd.orderedEntries.iterator();
|
---|
267 | while(keys.hasNext()) {
|
---|
268 | String key = keys.next();
|
---|
269 | Setting setting = pd.settings.get(key.toLowerCase());
|
---|
270 | if (setting == null) {
|
---|
271 | continue;
|
---|
272 | }
|
---|
273 |
|
---|
274 | // Keep track of were we are placing items on Frames.
|
---|
275 | int x = 0, y = 0;
|
---|
276 |
|
---|
277 | if (key.toLowerCase().equals("pass")) {
|
---|
278 | // Special case for Password widgets
|
---|
279 | Text passwordWidgetText = frames.addText("iw: org.expeditee.items.widgets.Passwsord", null, null, null, false);
|
---|
280 | Password pw = new Password(passwordWidgetText, null);
|
---|
281 | pw.setPassword("");
|
---|
282 | frames.getCurrentFrame().removeItem(passwordWidgetText);
|
---|
283 | frames.getCurrentFrame().addAllItems(pw.getItems());
|
---|
284 | x = passwordWidgetText.getX() + passwordWidgetText.getBoundsWidth();
|
---|
285 | y = passwordWidgetText.getY();
|
---|
286 | } else {
|
---|
287 | // Determine the content for a setting label.
|
---|
288 | //String name = key.substring(0, 1).toUpperCase() + key.substring(1);
|
---|
289 | //String name = key;
|
---|
290 |
|
---|
291 | // Construct and add text representation for setting.
|
---|
292 | // If a setting has no initialised value then it is not included.
|
---|
293 | Text settingRepresentation = setting.generateRepresentation(key, frames.getCurrentFrame().getFramesetName()).copy();
|
---|
294 | if (settingRepresentation.getBounds() == null) {
|
---|
295 | continue;
|
---|
296 | }
|
---|
297 | settingRepresentation.setID(frames.getCurrentFrame().getNextItemID());
|
---|
298 | frames.addItem(settingRepresentation, false);
|
---|
299 | x = settingRepresentation.getX() + settingRepresentation.getBoundsWidth();
|
---|
300 | y = settingRepresentation.getY();
|
---|
301 | }
|
---|
302 |
|
---|
303 | x = Math.max(250, x + 20);
|
---|
304 | // Add tooltip for setting
|
---|
305 | Text tooltip = frames.getCurrentFrame().addText(x, y, "// " + setting.getTooltip(), null);
|
---|
306 | tooltip.rebuild(true);
|
---|
307 | if (tooltip.getY() + tooltip.getBoundsHeight() > frames.getLastY()) {
|
---|
308 | frames.setLastY(tooltip.getY() + tooltip.getBoundsHeight());
|
---|
309 | }
|
---|
310 | }
|
---|
311 |
|
---|
312 | frames.save();
|
---|
313 | }
|
---|
314 | }
|
---|