source: trunk/src/org/expeditee/gui/FrameCreator.java@ 278

Last change on this file since 278 was 278, checked in by ra33, 16 years ago

Fixed some bugs...
AbstractCharts can not be copied, resized, etc
File size: 5.6 KB
Line 
1package org.expeditee.gui;
2
3import java.awt.Color;
4
5import org.expeditee.items.Item;
6import org.expeditee.items.Text;
7
8public class FrameCreator {
9 private int START_Y = 40;
10
11 private final static int START_X = 20;
12
13 private Frame _current = null;
14
15 private int _lastX = START_X;
16
17 private int _maxX = 0;
18
19 private int _lastY = START_Y;
20
21 // Master copy of next & previous links
22 private Item _Mnext;
23
24 private Item _Mprev;
25
26 // Next and previous links for the current frame
27 private Item _next;
28
29 private Item _prev;
30
31 private Frame _first;
32
33 public FrameCreator(String frameTitle) {
34 this(DisplayIO.getCurrentFrame().getFramesetName(), DisplayIO
35 .getCurrentFrame().path, frameTitle, false);
36 }
37
38 /**
39 * Creates a text item that looks like a clickable button.
40 *
41 * @param text
42 * the caption for the button
43 * @param x
44 * the x position for the button. Null if the button is anchored
45 * to the right of the screen.
46 * @param y
47 * the y position for the button. Null if the button is anchored
48 * to the bottom of the scree.
49 * @param right
50 * the distance the button is anchored from the right of this
51 * screen. Null if an absolute position is used.
52 * @param bottom
53 * the distance the button is to be anchored from the bottom of
54 * the screen. Null if the button is given an absolute position.
55 * @return the newly created button.
56 */
57 public Item createButton(String text, Float x, Float y, Float right,
58 Float bottom) {
59 Item button = new Text(text);
60 button.setBackgroundColor(Color.LIGHT_GRAY);
61 button.setBorderColor(Color.DARK_GRAY);
62 button.setThickness(2.0F);
63 if (bottom != null)
64 button.setAnchorBottom(bottom);
65 if (x != null)
66 button.setX(x);
67 if (right != null)
68 button.setAnchorRight(15F);
69 if (y != null)
70 button.setY(y);
71
72 return button;
73 }
74
75 public FrameCreator(String name, String path, String frameTitle,
76 boolean recreate) {
77 _Mnext = createButton("@Next", null, null, 15F, 15F);
78 _Mprev = createButton("@Previous", 30F, null, null, 15F);
79
80 Frame toUse = null;
81 try {
82 toUse = FrameIO.CreateFrameset(name, path, recreate);
83 } catch (Exception e) {
84 }
85 if (toUse == null) {
86 toUse = FrameIO.CreateFrame(name, frameTitle, null);
87 }
88
89 resetGlobals(toUse);
90 _first = toUse;
91 // set positions of next\prev frame links
92 // _Mnext.setPosition(FrameGraphics.getMaxSize().width - 100,
93 // FrameGraphics.getMaxSize().height - 15);
94 // _Mprev.setPosition(50, FrameGraphics.getMaxSize().height - 15);
95 }
96
97 public String getName() {
98 return _first.getName();
99 }
100
101 /**
102 * Creates the next frame in the frameset, with a previous button already
103 * added and linked to the last frame. _current then gets updated to point
104 * at the newly created Frame, and _lastY is reset
105 */
106 public boolean createNextFrame() {
107 try {
108 Frame newFrame = FrameIO.CreateFrame(_current.getFramesetName(),
109 _current.getTitle(), null);
110
111 // add link to previous frame
112 _prev = _Mprev.copy();
113 _prev.setID(newFrame.getNextItemID());
114 _prev.setLink(_current.getName());
115 newFrame.addItem(_prev);
116
117 // add link to new frame
118 _next = _Mnext.copy();
119 _next.setID(_current.getNextItemID());
120 _next.setLink(newFrame.getName());
121 _current.addItem(_next);
122 FrameIO.SaveFrame(_current, false);
123
124 resetGlobals(newFrame);
125 _maxX = 0;
126 return true;
127 } catch (Exception e) {
128 return false;
129 }
130 }
131
132 private void resetGlobals(Frame toUse) {
133 Text title = toUse.getTitleItem();
134 START_Y = title.getY() + title.getBoundsHeight();
135 _lastY = START_Y;
136 _lastX = START_X;
137 // Check for @Start
138 for (Item it : toUse.getItems()) {
139 if (it instanceof Text) {
140 Text t = (Text) it;
141 if (t.getText().toLowerCase().equals("@start")
142 || t.getText().toLowerCase().startsWith("@start:")) {
143 t.stripFirstWord();
144
145 if (t.getText().equals("")) {
146 _lastY = t.getY();
147 _lastX = t.getX();
148 t.delete();
149 break;
150 }
151 }
152 }
153 }
154 _current = toUse;
155 }
156
157 public boolean addItem(Item toAdd, boolean bSave) {
158 try {
159 // if we have reached the end of the Y axis, try moving over on the
160 // X axis
161 if (_lastY >= _Mprev.getY() - _Mprev.getBoundsHeight()) {
162 _lastX = _maxX + 10;
163 _lastY = START_Y;
164
165 // if there is no more room on the X axis, we have to start a
166 // new frame
167 // if (toAdd.getBoundsWidth() + _lastX > FrameGraphics
168 // .getMaxSize().width) {
169 // Make sure text items that are created on the current
170 // frame are removed
171 _current.removeItem(toAdd);
172 createNextFrame();
173 // }
174 }
175
176 toAdd.setPosition(_lastX, _lastY);
177 toAdd.setOffset(0, 0);
178 toAdd.setID(_current.getNextItemID());
179 toAdd.setRightMargin(FrameGraphics.getMaxFrameSize().width);
180
181 _current.addItem(toAdd);
182 // _current.addAllItems(items);
183 if (bSave)
184 save();
185
186 _lastY = toAdd.getY() + toAdd.getBoundsHeight();
187 _maxX = Math.max(toAdd.getX() + toAdd.getBoundsWidth(), _maxX);
188
189 return true;
190 } catch (Exception e) {
191 return false;
192 }
193 }
194
195 public void addText(String toAdd, Color c, String link, String action,
196 boolean bSave) {
197 Text text = _current.createNewText();
198 text.setText(toAdd);
199 text.setColor(c);
200 text.setLink(link);
201 text.setAction(action);
202
203 addItem(text, bSave);
204 }
205
206 public void save() {
207 FrameIO.ForceSaveFrame(_current);
208 }
209
210 /**
211 * Returns the Frame name of the current frame for the FrameCreator
212 *
213 * @return The current frame for the FrameCreator
214 */
215 public String getCurrent() {
216 if (_current == null)
217 return null;
218
219 return _current.getName();
220 }
221
222 public Frame getFirstFrame() {
223 return _first;
224 }
225}
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