1 | package org.expeditee.actions;
|
---|
2 |
|
---|
3 | import java.util.List;
|
---|
4 |
|
---|
5 | import org.expeditee.gui.DisplayIO;
|
---|
6 | import org.expeditee.gui.Frame;
|
---|
7 | import org.expeditee.gui.FrameGraphics;
|
---|
8 | import org.expeditee.gui.FrameIO;
|
---|
9 | import org.expeditee.gui.FrameUtils;
|
---|
10 | import org.expeditee.items.Item;
|
---|
11 |
|
---|
12 | /**
|
---|
13 | * Provides the Navigation related KMS action procedures
|
---|
14 | *
|
---|
15 | * @author jdm18
|
---|
16 | *
|
---|
17 | */
|
---|
18 | public class NavigationActions {
|
---|
19 |
|
---|
20 | public static void setLastNavigationItem(Item i) {
|
---|
21 | _LastItemUsed = i;
|
---|
22 | if (i.getParent() != null) {
|
---|
23 | _Parent = i.getParent().getFrameName();
|
---|
24 | }
|
---|
25 | }
|
---|
26 |
|
---|
27 | private static void Default() {
|
---|
28 | System.out.println("Not Implemented");
|
---|
29 | }
|
---|
30 |
|
---|
31 | /**
|
---|
32 | * Performs a back operation from the current Frame. If the back-stack is
|
---|
33 | * empty, then nothing happens.
|
---|
34 | */
|
---|
35 | public static void Back() {
|
---|
36 | DisplayIO.Back();
|
---|
37 | }
|
---|
38 |
|
---|
39 | public static void ClearBack(Item i) {
|
---|
40 | Default();
|
---|
41 | }
|
---|
42 |
|
---|
43 | public static void DeleteBack() {
|
---|
44 | Default();
|
---|
45 | }
|
---|
46 |
|
---|
47 | public static void GetBack(String topFrame, int x, int y) {
|
---|
48 | Default();
|
---|
49 | }
|
---|
50 |
|
---|
51 | public static void GetBackList() {
|
---|
52 | Default();
|
---|
53 | }
|
---|
54 |
|
---|
55 | /**
|
---|
56 | * Displays the user's home frame
|
---|
57 | */
|
---|
58 | public static void GotoHome() {
|
---|
59 | FrameUtils.DisplayHomeFrame();
|
---|
60 | }
|
---|
61 |
|
---|
62 | /**
|
---|
63 | * Displays the user's profile frame (if there is one)
|
---|
64 | */
|
---|
65 | public static void GotoProfile() {
|
---|
66 | FrameUtils.DisplayProfileFrame();
|
---|
67 | }
|
---|
68 |
|
---|
69 | /**
|
---|
70 | * Loads the Frame with the given FrameName and displays it
|
---|
71 | *
|
---|
72 | * @param frameName
|
---|
73 | * The name of the Frame to load
|
---|
74 | */
|
---|
75 | public static void Goto(String frameName) {
|
---|
76 | FrameUtils.DisplayFrame(frameName);
|
---|
77 | }
|
---|
78 |
|
---|
79 | /**
|
---|
80 | * Loads the Frame in the current frameset with the given number and
|
---|
81 | * displays it
|
---|
82 | *
|
---|
83 | * @param value
|
---|
84 | * The number of the Frame to load
|
---|
85 | */
|
---|
86 | public static void Goto(Integer value) {
|
---|
87 | FrameUtils.DisplayFrame(value.toString());
|
---|
88 | }
|
---|
89 |
|
---|
90 | /**
|
---|
91 | * Loads the Frame linked to by the Item that has this action, if there is
|
---|
92 | * one
|
---|
93 | *
|
---|
94 | * @param source
|
---|
95 | * The Item that has a link to the Frame to load and display
|
---|
96 | */
|
---|
97 | public static void GotoLink(Item source) {
|
---|
98 | FrameUtils.DisplayFrame(source.getLink());
|
---|
99 | }
|
---|
100 |
|
---|
101 | /**
|
---|
102 | * Turns TwinFrames off if it is on, otherwise does nothing
|
---|
103 | */
|
---|
104 | public static void Large() {
|
---|
105 | if (DisplayIO.isTwinFramesOn())
|
---|
106 | DisplayIO.ToggleTwinFrames();
|
---|
107 | }
|
---|
108 |
|
---|
109 | /**
|
---|
110 | * Navigates to the Frame with the next highest frame number in the current
|
---|
111 | * frameset. If the current frame is the last frame in the frameset, nothing
|
---|
112 | * happens.
|
---|
113 | */
|
---|
114 | public static void NextFrame() {
|
---|
115 | Frame next = FrameIO.LoadNext();
|
---|
116 | FrameUtils.DisplayFrame(next, true);
|
---|
117 | }
|
---|
118 |
|
---|
119 | /**
|
---|
120 | * Navigates to the last frame in the frameset.
|
---|
121 | *
|
---|
122 | */
|
---|
123 | public static void LastFrame() {
|
---|
124 | Frame last = FrameIO.LoadLast();
|
---|
125 | FrameUtils.DisplayFrame(last, true);
|
---|
126 | }
|
---|
127 |
|
---|
128 |
|
---|
129 | public static void Next() {
|
---|
130 | NextFrame();
|
---|
131 | }
|
---|
132 |
|
---|
133 | public static void Previous() {
|
---|
134 | PreviousFrame();
|
---|
135 | }
|
---|
136 |
|
---|
137 | public static void PreviousFrame() {
|
---|
138 | Frame prev = FrameIO.LoadPrevious();
|
---|
139 | FrameUtils.DisplayFrame(prev, true);
|
---|
140 | }
|
---|
141 |
|
---|
142 | private static String _Parent = null;
|
---|
143 |
|
---|
144 | private static Item _LastItemUsed = null;
|
---|
145 |
|
---|
146 | public static void NextChild(Frame source) {
|
---|
147 | String back = DisplayIO.peekFromBack(); // ByRob: "peekFromBack" is not
|
---|
148 | // an informative term, better to refer to back up stack
|
---|
149 | // if there is no parent frame (i.e. the user is on the home frame) //
|
---|
150 | // ByRob: this should say "for example, the user ...."
|
---|
151 | if (back == null) { // No frame was on the Backup stack
|
---|
152 | FrameGraphics.DisplayMessage("No Parent Frame Found.");
|
---|
153 | _LastItemUsed = null; // ByRob: what is reason for setting
|
---|
154 | // this to null, who is going to use
|
---|
155 | // it????
|
---|
156 | _Parent = null; // ByRob: what is reason for setting this to
|
---|
157 | // null, who is going to use it
|
---|
158 | return;
|
---|
159 | }
|
---|
160 |
|
---|
161 | /*
|
---|
162 | * if(_Parent == null || !back.equals(_Parent.getFrameName())){ _Parent =
|
---|
163 | * FrameIO.LoadFrame(back); _LastItemUsed = null; }
|
---|
164 | */
|
---|
165 |
|
---|
166 | if (_Parent == null || !back.equals(_Parent)) { // ByRob: what the heck
|
---|
167 | // is the code doing?
|
---|
168 | // What is it setting
|
---|
169 | // up???????
|
---|
170 | _Parent = back;
|
---|
171 | _LastItemUsed = null;
|
---|
172 | }
|
---|
173 |
|
---|
174 | Frame parent = FrameIO.LoadFrame(_Parent); // at this point we have
|
---|
175 | // a parent frame (but
|
---|
176 | // does LoadFrame access
|
---|
177 | // backup stack?
|
---|
178 |
|
---|
179 | // find the next item to visit // ByRob: We should NOT be trying to
|
---|
180 | // remember state!!! at time of Next, getNameOfCurrentFrame!!!!
|
---|
181 | // Actually, no. It could be situation that there is more than one item
|
---|
182 | // on frame linked to CurrentFr
|
---|
183 |
|
---|
184 | List<Item> items = parent.getItems(); // getItems method gets us the
|
---|
185 | // FirstItem on the frame
|
---|
186 | int parentItemLinkedToSource = 0; // ByMike: Will be set to the
|
---|
187 | // index of the item on the parent which follows the item linked to the
|
---|
188 | // child frame we are currently viewing.
|
---|
189 |
|
---|
190 | // ByMike: if 'Next' has been clicked previously get the index of the
|
---|
191 | // item FOLLOWING the ParentItem linked to the source
|
---|
192 | if (_LastItemUsed != null) {
|
---|
193 | parentItemLinkedToSource = items.indexOf(_LastItemUsed);
|
---|
194 | }
|
---|
195 |
|
---|
196 | // ByMike: If the 'Next' child is being sought for the 1st time...
|
---|
197 |
|
---|
198 | String sourceName = source.getFrameName().toLowerCase();
|
---|
199 |
|
---|
200 | // ByMike: Find the first occurence of a ParentItem linked to the source
|
---|
201 | while (parentItemLinkedToSource < items.size()
|
---|
202 | && (items.get(parentItemLinkedToSource).getLink() == null || !items
|
---|
203 | .get(parentItemLinkedToSource).getLink().toLowerCase()
|
---|
204 | .equals(sourceName))) {
|
---|
205 | parentItemLinkedToSource++; // ByRob: this increments to the next
|
---|
206 | // item
|
---|
207 | }
|
---|
208 |
|
---|
209 | // Find the next ParentItem linked to the next frame to be displayed
|
---|
210 | for (int i = parentItemLinkedToSource + 1; i < items.size(); i++) {
|
---|
211 | if (items.get(i).isLinkValid()
|
---|
212 | && !items.get(i).isAnnotation()
|
---|
213 | && !items.get(i).getLink().toLowerCase().equals(
|
---|
214 | source.getFrameName().toLowerCase())) {
|
---|
215 | _LastItemUsed = items.get(i);
|
---|
216 | FrameUtils.DisplayFrame(_LastItemUsed.getLink(), false);
|
---|
217 | return;
|
---|
218 | } // ByRob: end of if
|
---|
219 |
|
---|
220 | } // ByRob: End of For
|
---|
221 |
|
---|
222 | FrameGraphics.DisplayMessage("No more child frames found.");
|
---|
223 | }
|
---|
224 |
|
---|
225 | public static void OtherWindow() {
|
---|
226 | Default();
|
---|
227 | }
|
---|
228 |
|
---|
229 | /**
|
---|
230 | * Turns TwinFrames on if it is off, otherwise does nothing
|
---|
231 | *
|
---|
232 | */
|
---|
233 | // ByRob: Rob doesn't like notion of turning TwinFrames on and off,
|
---|
234 | // better to say more explicitly/directly what the mode is!!!!
|
---|
235 | public static void Small() {
|
---|
236 | if (!DisplayIO.isTwinFramesOn())
|
---|
237 | DisplayIO.ToggleTwinFrames();
|
---|
238 | }
|
---|
239 | }
|
---|