Source Code Cross Referenced for RowMargin.java in  » Swing-Library » abeille-forms-designer » com » jeta » swingbuilder » gui » editor » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » abeille forms designer » com.jeta.swingbuilder.gui.editor 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (C) 2005 Jeff Tassin
003:         *
004:         * This library is free software; you can redistribute it and/or
005:         * modify it under the terms of the GNU Lesser General Public
006:         * License as published by the Free Software Foundation; either
007:         * version 2.1 of the License, or (at your option) any later version.
008:         *
009:         * This library is distributed in the hope that it will be useful,
010:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:         * Lesser General Public License for more details.
013:         *
014:         * You should have received a copy of the GNU Lesser General Public
015:         * License along with this library; if not, write to the Free Software
016:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
017:         */
018:
019:        package com.jeta.swingbuilder.gui.editor;
020:
021:        import java.awt.Graphics;
022:        import java.awt.Insets;
023:        import java.awt.Point;
024:        import java.awt.Rectangle;
025:        import java.awt.event.MouseAdapter;
026:        import java.awt.event.MouseEvent;
027:        import java.awt.event.MouseMotionAdapter;
028:
029:        import javax.swing.ImageIcon;
030:        import javax.swing.JOptionPane;
031:        import javax.swing.JViewport;
032:        import javax.swing.UIManager;
033:
034:        import com.jeta.forms.gui.common.FormSpecAdapter;
035:        import com.jeta.forms.gui.common.FormUtils;
036:        import com.jeta.forms.gui.components.ComponentSource;
037:        import com.jeta.forms.gui.form.FormComponent;
038:        import com.jeta.forms.gui.form.GridComponent;
039:        import com.jeta.forms.gui.form.GridView;
040:        import com.jeta.open.i18n.I18N;
041:        import com.jeta.open.registry.JETARegistry;
042:        import com.jeta.open.resources.ResourceLoader;
043:        import com.jeta.swingbuilder.gui.commands.CommandUtils;
044:        import com.jeta.swingbuilder.gui.commands.EditRowSpecCommand;
045:        import com.jeta.swingbuilder.gui.dnd.DesignerDragSource;
046:        import com.jeta.swingbuilder.gui.project.UserPreferencesNames;
047:        import com.jeta.swingbuilder.interfaces.userprops.TSUserPropertiesUtils;
048:        import com.jgoodies.forms.layout.RowSpec;
049:
050:        public class RowMargin extends Margin {
051:            /**
052:             * The x-position of the middle of the drag thumb
053:             */
054:            private int m_ypos;
055:
056:            private int m_drag_y_diff;
057:
058:            /**
059:             * Icon for resize thumb
060:             */
061:            private static ImageIcon m_row_thumb;
062:
063:            static {
064:                try {
065:                    ResourceLoader loader = (ResourceLoader) JETARegistry
066:                            .lookup(ResourceLoader.COMPONENT_ID);
067:                    m_row_thumb = loader
068:                            .loadImage("jeta.resources/images/forms/thumb_horizontal.png");
069:                } catch (Exception e) {
070:                    e.printStackTrace();
071:                }
072:            }
073:
074:            /**
075:             * ctor
076:             * 
077:             * @param view
078:             *            the top level view that will render the resize indicator
079:             * @param viewport
080:             *            the viewport that contains the top level view. Needed when the
081:             *            view is scrolled right or down
082:             */
083:            public RowMargin(FormComponent form, GridView topview,
084:                    ComponentSource compSrc, JViewport viewport, boolean show) {
085:                super (Orientation.VERTICAL, form, topview, compSrc, viewport,
086:                        show);
087:                addMouseListener(new MouseHandler());
088:                addMouseMotionListener(new MouseMotionHandler());
089:            }
090:
091:            protected void paintComponent(Graphics g) {
092:                if (isPaintMargin()) {
093:                    Rectangle clip = g.getClipBounds();
094:                    g.setColor(UIManager.getColor("control"));
095:                    g.fillRect(clip.x, clip.y, clip.width, clip.height);
096:
097:                    if (m_gc != null) {
098:                        java.awt.Graphics2D g2 = (java.awt.Graphics2D) g;
099:                        g2.drawImage(m_row_thumb.getImage(), 0, m_ypos
100:                                - THUMB_HEIGHT / 2, this );
101:                    }
102:                }
103:            }
104:
105:            /**
106:             * Changes the thumb position to the specified grid component
107:             */
108:            void update(GridComponent gc) {
109:                DesignerDragSource dds = (DesignerDragSource) JETARegistry
110:                        .lookup(DesignerDragSource.COMPONENT_ID);
111:                if (dds != null && dds != this  && dds.isDragging()) {
112:                    return;
113:                }
114:
115:                if (isPaintMargin() && !m_dragging
116:                        && m_compsrc.isSelectionTool()) {
117:                    m_gc = gc;
118:                    if (gc != null) {
119:                        GridView parentview = gc.getParentView();
120:                        if (parentview == m_view) {
121:                            m_gc = null;
122:                        } else {
123:                            if (parentview != null) {
124:                                Insets insets = parentview.getInsets();
125:                                int row_offset = gc.getRow() + gc.getRowSpan()
126:                                        - 1;
127:                                Point pt = javax.swing.SwingUtilities
128:                                        .convertPoint(
129:                                                parentview,
130:                                                0,
131:                                                parentview
132:                                                        .getRowOrgY(row_offset)
133:                                                        + parentview
134:                                                                .getRowHeight(row_offset)
135:                                                        + insets.top, this );
136:                                m_ypos = pt.y;
137:                            }
138:                        }
139:                    }
140:                    repaint();
141:                }
142:            }
143:
144:            private class MouseHandler extends MouseAdapter {
145:                public void mousePressed(MouseEvent e) {
146:                    int y = e.getY();
147:                    if ((y >= (m_ypos - THUMB_WIDTH / 2))
148:                            && (y <= (m_ypos + THUMB_WIDTH)) && isPaintMargin()) {
149:                        if (m_gc != null) {
150:                            startDrag();
151:                            m_drag_y_diff = e.getY() - m_ypos;
152:                            m_resize_indicator.setPosition(m_ypos);
153:                            int row = m_gc.getRow() + m_gc.getRowSpan() - 1;
154:                            GridView view = m_gc.getParentView();
155:                            FormSpecAdapter adapter = new FormSpecAdapter(view
156:                                    .getRowSpec(row));
157:                            if (adapter.isComponentSize()) {
158:                                m_units = TSUserPropertiesUtils
159:                                        .getString(
160:                                                UserPreferencesNames.ID_DEFAULT_RESIZE_UNITS,
161:                                                "PX");
162:                                if (!FormUtils.isValidUnits(m_units))
163:                                    m_units = "PX";
164:                            } else {
165:                                m_units = adapter.getConstantUnits();
166:                                if (m_units == null)
167:                                    m_units = "PX";
168:                            }
169:                        }
170:                    } else {
171:                        m_view.deselectAll();
172:                        m_form.setSelected(true);
173:                        m_gc = null;
174:                    }
175:                }
176:
177:                public void mouseReleased(MouseEvent e) {
178:                    if (m_dragging && m_gc != null) {
179:                        if (m_comp_size > 0) {
180:                            int row = m_gc.getRow() + m_gc.getRowSpan() - 1;
181:                            GridView view = m_gc.getParentView();
182:                            RowSpec oldspec = view.getRowSpec(row);
183:                            FormEditor editor = FormEditor.getEditor(view);
184:
185:                            if (editor != null) {
186:                                NewSizeAdapter adapter = new NewSizeAdapter(
187:                                        oldspec, m_comp_size, m_units);
188:                                if (!adapter.isResizeGrow()
189:                                        && !adapter.isBoundedSize()) {
190:                                    String newspec = FormUtils
191:                                            .toEncodedString(adapter);
192:                                    EditRowSpecCommand cmd = new EditRowSpecCommand(
193:                                            view.getParentForm(), row,
194:                                            new RowSpec(newspec), oldspec);
195:                                    CommandUtils.invoke(cmd, editor);
196:                                } else {
197:                                    String msg = null;
198:                                    if (adapter.isBoundedSize()) {
199:                                        msg = I18N
200:                                                .getLocalizedMessage("The row size is set to bounded.\nYou must manually set the size in the row specification window.");
201:                                    } else if (adapter.isResizeGrow()) {
202:                                        msg = I18N
203:                                                .getLocalizedMessage("The row resize behavior is set to grow.\nYou must manually set the size in the row specification window.");
204:                                    } else {
205:                                        msg = I18N
206:                                                .getLocalizedMessage("You must manually set the size in the row specification window.");
207:                                    }
208:
209:                                    String title = I18N
210:                                            .getLocalizedMessage("Error");
211:                                    JOptionPane.showMessageDialog(m_view, msg,
212:                                            title, JOptionPane.ERROR_MESSAGE);
213:                                }
214:
215:                            } else {
216:                                assert (false);
217:                            }
218:                        }
219:
220:                        javax.swing.SwingUtilities.invokeLater(new Runnable() {
221:                            public void run() {
222:                                m_overlay.setResizeIndicator(null);
223:                                m_overlay.repaint();
224:                                m_dragging = false;
225:                                update(m_gc);
226:                            }
227:                        });
228:                    }
229:                }
230:            }
231:
232:            private class MouseMotionHandler extends MouseMotionAdapter {
233:                public void mouseDragged(MouseEvent e) {
234:                    if (m_gc != null && m_dragging) {
235:                        int y = e.getY() - m_drag_y_diff;
236:
237:                        GridView parentview = m_gc.getParentView();
238:                        Insets insets = parentview.getInsets();
239:
240:                        Point pt = javax.swing.SwingUtilities.convertPoint(
241:                                RowMargin.this , 0, y, parentview);
242:                        Point offsetpt = m_viewport.getViewPosition();
243:
244:                        // pt.y is the new height of the grid component
245:                        int pixels = pt.y
246:                                - parentview.getRowOrgY(m_gc.getRow()
247:                                        + m_gc.getRowSpan() - 1) - insets.top;
248:                        m_comp_size = convertPoint(pixels, m_units);
249:                        m_ypos = y;
250:                        repaint();
251:                        m_resize_indicator.setPosition(m_ypos + offsetpt.y);
252:                        m_resize_indicator.setSize(m_comp_size, m_units,
253:                                offsetpt.x);
254:                        m_overlay.repaint();
255:                    }
256:                }
257:            }
258:
259:        }
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