Source Code Cross Referenced for Calc.java in  » Web-Framework » wingS » calc » step5 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » wingS » calc.step5 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *	Javu WingS - Lightweight Java Component Set
003:         *	Copyright (c) 2005-2007 Krzysztof A. Sadlocha
004:         *	e-mail: ksadlocha@programics.com
005:         *
006:         *	This library is free software; you can redistribute it and/or
007:         *	modify it under the terms of the GNU Lesser General Public
008:         *	License as published by the Free Software Foundation; either
009:         *	version 2.1 of the License, or (at your option) any later version.
010:         *
011:         *	This library is distributed in the hope that it will be useful,
012:         *	but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         *	Lesser General Public License for more details.
015:         *
016:         *	You should have received a copy of the GNU Lesser General Public
017:         *	License along with this library; if not, write to the Free Software
018:         *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019:         */
020:
021:        package calc.step5;
022:
023:        import java.awt.Dimension;
024:        import java.awt.GridBagConstraints;
025:        import java.awt.GridBagLayout;
026:        import java.awt.GridLayout;
027:        import java.awt.Insets;
028:        import java.awt.event.ActionEvent;
029:        import java.awt.event.ActionListener;
030:        import java.awt.event.ItemEvent;
031:        import java.awt.event.ItemListener;
032:        import java.awt.event.KeyEvent;
033:        import java.awt.event.WindowAdapter;
034:        import java.awt.event.WindowEvent;
035:        import calc.CalcLogic;
036:        import com.javujavu.javux.wings.RadioGroup;
037:        import com.javujavu.javux.wings.WingButton;
038:        import com.javujavu.javux.wings.WingCheckBox;
039:        import com.javujavu.javux.wings.WingComponent;
040:        import com.javujavu.javux.wings.WingFrame;
041:        import com.javujavu.javux.wings.WingPanel;
042:        import com.javujavu.javux.wings.WingSkin;
043:        import com.javujavu.javux.wings.WingTextField;
044:        import com.javujavu.javux.wings.item.LabelItem;
045:
046:        /**
047:         * step 5 custom style sheet with icon, tooltips with icons
048:         */
049:        public class Calc extends WingPanel implements  ActionListener,
050:                ItemListener {
051:            public static void main(String[] args) {
052:                // at first load skin !
053:                loadCalcSkin("green");
054:
055:                // and show calc in frame
056:                final WingFrame frame = new WingFrame();
057:                frame.setContentPane(new Calc());
058:
059:                frame.setTitle("WingCalc step5");
060:
061:                frame.addWindowListener(new WindowAdapter() {
062:                    public void windowClosing(WindowEvent e) {
063:                        System.exit(0);
064:                    }
065:                });
066:
067:                frame.pack();
068:                frame.setLocation(100, 100);
069:                frame.setVisible(true);
070:            }
071:
072:            protected static void loadCalcSkin(String skinTheme) {
073:                // remove previously loaded skins
074:                WingSkin.removeAllSkins();
075:                // register calc style sheet
076:                WingSkin.registerStyleSheet("wingcalc");
077:                // load from directory skin/_common relative to class file of Calc
078:                WingSkin.loadSkin("/skin/_common", true, Calc.class);
079:                // load from directory skin/skinTheme relative to class file of Calc
080:                WingSkin.loadSkin("/skin/" + skinTheme, true, Calc.class);
081:            }
082:
083:            private WingTextField tfDisplay;
084:            private WingButton[] bFunc;
085:
086:            private CalcLogic logic = new CalcLogic();
087:            private WingCheckBox tbGreen;
088:            private WingCheckBox tbOrange;
089:            private WingCheckBox tbVista;
090:
091:            public Calc() {
092:                // build content panel
093:                setLayout(new GridBagLayout());
094:                bFunc = new WingButton[CalcLogic.FUNC_COUNT];
095:                GridBagConstraints c = new GridBagConstraints();
096:                c.fill = GridBagConstraints.BOTH;
097:                c.weightx = 1.0;
098:                c.weighty = 1.0;
099:                c.insets = new Insets(0, 0, 0, 0);
100:                c.gridx = 0;
101:                c.gridy = 0;
102:                c.gridheight = 1;
103:                c.gridwidth = 5;
104:
105:                // create panel with skin toggle buttons
106:                WingPanel panel2 = new WingPanel(new GridLayout(1, 0));
107:                panel2.add(tbGreen = new WingCheckBox("green", TOGGLE));
108:                panel2.add(tbOrange = new WingCheckBox("orange", TOGGLE));
109:                panel2.add(tbVista = new WingCheckBox("vista", TOGGLE));
110:                // add buttons to radio group
111:                RadioGroup g = new RadioGroup();
112:                g.add(tbGreen);
113:                g.add(tbOrange);
114:                g.add(tbVista);
115:                // select initial skin
116:                tbGreen.setSelected(true);
117:                //add to main panel
118:                this .add(panel2, c);
119:
120:                // add item listeners
121:                tbGreen.addItemListener(this );
122:                tbOrange.addItemListener(this );
123:                tbVista.addItemListener(this );
124:
125:                // add display below
126:                c.insets = new Insets(6, 3, 7, 3);
127:                c.gridy = 1;
128:                this .add(tfDisplay = new WingTextField(), c);
129:                tfDisplay.setEditable(false);
130:                tfDisplay.setWingFocusable(false);
131:                tfDisplay.setHorizontalAlignment(RIGHT);
132:                tfDisplay.setText(logic.getDisplayText());
133:                // set display style ID
134:                tfDisplay.setStyleId("calc.display");
135:
136:                // and buttons
137:                int x, y;
138:                y = 2;
139:                x = 0;
140:                addButton(x++, y, 1, 1, "%", "calc.small",
141:                        CalcLogic.FUNC_PERCENT,
142:                        "Percent operator\nShortcut: %", KeyEvent.VK_5,
143:                        KeyEvent.SHIFT_MASK);
144:                addButton(x++, y, 1, 1, null, "calc.sqrt", CalcLogic.FUNC_SQRT,
145:                        "Square root operator\nShortcut: Shift+S",
146:                        KeyEvent.VK_S, KeyEvent.SHIFT_MASK);
147:                addButton(x++, y, 1, 1, null, "calc.backspace",
148:                        CalcLogic.FUNC_BACKSPACE,
149:                        "Backspace\nShortcut: Backspace",
150:                        KeyEvent.VK_BACK_SPACE, 0);
151:                addButton(x++, y, 1, 1, "C", "calc", CalcLogic.FUNC_C,
152:                        "Clear\nShortcut: Escape", KeyEvent.VK_ESCAPE, 0);
153:                addButton(x++, y, 1, 1, "CE", "calc", CalcLogic.FUNC_CE,
154:                        "Clear entry\nShortcut: Delete", KeyEvent.VK_DELETE, 0);
155:                y++;
156:                x = 0;
157:                addButton(x++, y, 1, 1, "7", "calc", CalcLogic.FUNC_7,
158:                        "Digit 7\nShortcut: numpad 7", KeyEvent.VK_NUMPAD7, 0);
159:                addButton(x++, y, 1, 1, "8", "calc", CalcLogic.FUNC_8,
160:                        "Digit 8\nShortcut: numpad 8", KeyEvent.VK_NUMPAD8, 0);
161:                addButton(x++, y, 1, 1, "9", "calc", CalcLogic.FUNC_9,
162:                        "Digit 9\nShortcut: numpad 9", KeyEvent.VK_NUMPAD9, 0);
163:                addButton(x++, y, 1, 2, null, "calc.minus",
164:                        CalcLogic.FUNC_MINUS,
165:                        "Subtraction operator\nShortcut: numpad -",
166:                        KeyEvent.VK_SUBTRACT, 0);
167:                addButton(x++, y, 1, 1, "+/-", "calc.small",
168:                        CalcLogic.FUNC_SIGN, "Sign button\nShortcut: F9",
169:                        KeyEvent.VK_F9, 0);
170:                y++;
171:                x = 0;
172:                addButton(x++, y, 1, 1, "4", "calc", CalcLogic.FUNC_4,
173:                        "Digit 4\nShortcut: numpad 4", KeyEvent.VK_NUMPAD4, 0);
174:                addButton(x++, y, 1, 1, "5", "calc", CalcLogic.FUNC_5,
175:                        "Digit 5\nShortcut: numpad 5", KeyEvent.VK_NUMPAD5, 0);
176:                addButton(x++, y, 1, 1, "6", "calc", CalcLogic.FUNC_6,
177:                        "Digit 6\nShortcut: numpad 6", KeyEvent.VK_NUMPAD6, 0);
178:                x++;
179:                addButton(x++, y, 1, 1, "1/x", "calc.small",
180:                        CalcLogic.FUNC_RECIPROCAL,
181:                        "Reciprocal button\nShortcut: Shift+R", KeyEvent.VK_R,
182:                        KeyEvent.SHIFT_MASK);
183:                y++;
184:                x = 0;
185:                addButton(x++, y, 1, 1, "1", "calc", CalcLogic.FUNC_1,
186:                        "Digit 1\nShortcut: numpad 1", KeyEvent.VK_NUMPAD1, 0);
187:                addButton(x++, y, 1, 1, "2", "calc", CalcLogic.FUNC_2,
188:                        "Digit 2\nShortcut: numpad 2", KeyEvent.VK_NUMPAD2, 0);
189:                addButton(x++, y, 1, 1, "3", "calc", CalcLogic.FUNC_3,
190:                        "Digit 3\nShortcut: numpad 3", KeyEvent.VK_NUMPAD3, 0);
191:                addButton(x++, y, 1, 2, null, "calc.plus", CalcLogic.FUNC_PLUS,
192:                        "Addition operator\nShortcut: numpad +",
193:                        KeyEvent.VK_ADD, 0);
194:                addButton(x++, y, 1, 1, null, "calc.divide",
195:                        CalcLogic.FUNC_DIVIDE,
196:                        "Division operator\nShortcut: numpad /",
197:                        KeyEvent.VK_DIVIDE, 0);
198:                y++;
199:                x = 0;
200:                addButton(x++, y, 2, 1, "0", "calc", CalcLogic.FUNC_0,
201:                        "Digit 0\nShortcut: numpad 0", KeyEvent.VK_NUMPAD0, 0);
202:                x++;
203:                addButton(x++, y, 1, 1, ".", "calc", CalcLogic.FUNC_PERIOD,
204:                        "Decimal point button\nShortcut: numpad .",
205:                        KeyEvent.VK_DECIMAL, 0);
206:                x++;
207:                addButton(x++, y, 1, 1, null, "calc.multiply",
208:                        CalcLogic.FUNC_MULTIPLY,
209:                        "Multiplication operator\nShortcut: numpad *",
210:                        KeyEvent.VK_MULTIPLY, 0);
211:                y++;
212:                x = 0;
213:                addButton(x, y, 5, 1, null, "calc.equal", CalcLogic.FUNC_EQUAL,
214:                        "Equal button\nShortcut: Enter", KeyEvent.VK_ENTER, 0);
215:
216:            }
217:
218:            private void addButton(int gridx, int gridy, int gridwidth,
219:                    int gridheight, String text, String styleID, int func,
220:                    String tooltipText, int keyCode, int keyModifiers) {
221:                // prepare GridBagConstraints describing size and location of the button
222:                GridBagConstraints c = new GridBagConstraints();
223:                c.gridx = gridx;
224:                c.gridy = gridy;
225:                c.gridwidth = gridwidth;
226:                c.gridheight = gridheight;
227:                c.insets = new Insets(0, (gridx == 0) ? 3 : 0, 3, 3);
228:                c.weightx = c.weighty = 1;
229:                c.fill = GridBagConstraints.BOTH;
230:
231:                //create the button
232:                WingButton b = new WingButton(text);
233:
234:                //set button styleID
235:                b.setStyleId(styleID);
236:
237:                // add to button array
238:                bFunc[func] = b;
239:
240:                // add to panel
241:                this .add(b, c);
242:
243:                // add action listener
244:                b.addActionListener(this );
245:
246:                // make the button a big rectangle
247:                b.setPreferredSize(new Dimension(40, 32));
248:
249:                // set tooltip for the button
250:                if (text != null) {
251:                    // normal text button
252:                    b.setTooltip(tooltipText);
253:                } else {
254:                    // image button, use its icon as tooltip icon
255:                    b.setTooltip(new LabelItem(tooltipText, WingSkin.getImage(
256:                            styleID, "button.normal.icon", null)));
257:                }
258:
259:                // set keyboard shortcut
260:                b.setShortcut(keyCode, keyModifiers);
261:            }
262:
263:            public void actionPerformed(ActionEvent e) {
264:                Object src = e.getSource();
265:
266:                // browse button array to find the pressed button
267:                for (int f = 0; f < bFunc.length; f++) {
268:                    if (src == bFunc[f]) {
269:                        // call logic to execute function f
270:                        logic.buttonAction(f);
271:                        // displa result
272:                        tfDisplay.setText(logic.getDisplayText());
273:
274:                        // update button enabled state
275:                        for (int n = 0; n < bFunc.length; n++) {
276:                            if (bFunc[n] != null)
277:                                bFunc[n].setEnabled(logic.isEnabled(n));
278:                        }
279:                        return;
280:                    }
281:                }
282:            }
283:
284:            public void itemStateChanged(ItemEvent e) {
285:                Object src = e.getSource();
286:
287:                // check skin buttons
288:                if (src == tbGreen || src == tbOrange || src == tbVista) {
289:                    loadCalcSkin((tbGreen.isSelected()) ? "green" : (tbOrange
290:                            .isSelected()) ? "orange" : "vista");
291:                    // update skin starting from the root pane
292:                    WingComponent.updateSkin(getRootPane());
293:                }
294:            }
295:        }
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