Source Code Cross Referenced for PanelWriter.java in  » Swing-Library » abeille-forms-designer » com » jeta » swingbuilder » codegen » builder » 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.codegen.builder 
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.codegen.builder;
020:
021:        import java.util.HashMap;
022:        import java.util.Iterator;
023:
024:        import com.jeta.forms.gui.common.FormSpecAdapter;
025:        import com.jeta.forms.gui.common.FormUtils;
026:        import com.jeta.forms.store.memento.BeanMemento;
027:        import com.jeta.forms.store.memento.CellConstraintsMemento;
028:        import com.jeta.forms.store.memento.ComponentMemento;
029:        import com.jeta.forms.store.memento.FormGroupSet;
030:        import com.jeta.forms.store.memento.FormMemento;
031:        import com.jeta.forms.store.memento.PropertiesMemento;
032:        import com.jeta.swingbuilder.gui.utils.FormDesignerUtils;
033:        import com.jgoodies.forms.layout.CellConstraints;
034:        import com.jgoodies.forms.layout.ColumnSpec;
035:        import com.jgoodies.forms.layout.FormLayout;
036:        import com.jgoodies.forms.layout.RowSpec;
037:        import com.jgoodies.forms.layout.Sizes;
038:
039:        /**
040:         * Builds the Java Source for a form and all its child forms.
041:         * 
042:         * @author Jeff Tassin
043:         */
044:        public class PanelWriter {
045:            private CellConstraints m_default_cc = new CellConstraints();
046:
047:            public PanelWriter() {
048:            }
049:
050:            public MethodWriter createPanel(DeclarationManager decl_mgr,
051:                    FormMemento fm) {
052:                decl_mgr.addImport("javax.swing.JPanel");
053:                decl_mgr.addImport("com.jgoodies.forms.layout.CellConstraints");
054:                decl_mgr.addImport("com.jgoodies.forms.layout.FormLayout");
055:
056:                PropertiesMemento pm = fm.getPropertiesMemento();
057:
058:                MethodWriter method_writer = new MethodWriter(decl_mgr, null,
059:                        getSuggestedMethodName(pm.getComponentName()));
060:                BeanWriter form_bean_writer = new BeanWriter(method_writer, pm);
061:                method_writer.setReturnResult(form_bean_writer);
062:
063:                LocalVariableDeclaration layout = new LocalVariableDeclaration(
064:                        method_writer,
065:                        com.jgoodies.forms.layout.FormLayout.class);
066:                layout.addParameter(new StringExpression(fm.getColumnSpecs()));
067:                layout.addParameter(new StringExpression(fm.getRowSpecs()));
068:
069:                /** we need this to get the row/column count */
070:                FormLayout formlayout = new FormLayout(FormSpecAdapter
071:                        .fixupSpecs(fm.getColumnSpecs()), FormSpecAdapter
072:                        .fixupSpecs(fm.getRowSpecs()));
073:
074:                method_writer.addStatements(form_bean_writer.getStatements());
075:
076:                method_writer.addStatement(layout);
077:
078:                /** set the column and row groups */
079:                setGroups(method_writer, layout.getVariable(), fm, true);
080:                setGroups(method_writer, layout.getVariable(), fm, false);
081:
082:                LocalVariableDeclaration ccvar = new LocalVariableDeclaration(
083:                        method_writer,
084:                        com.jgoodies.forms.layout.CellConstraints.class, "cc");
085:                method_writer.addStatement(ccvar);
086:
087:                /** add the panel declaration/ctor to the method */
088:                MethodStatement ss = new MethodStatement(form_bean_writer
089:                        .getBeanVariable(), "setLayout");
090:                ss.addParameter(new BasicExpression(layout.getVariable()));
091:                method_writer.addStatement(ss);
092:
093:                decl_mgr.addMethod(method_writer);
094:
095:                /** puts a newline between beans */
096:                method_writer.addStatement(new BasicStatement(""));
097:
098:                HashMap row_cache = new HashMap();
099:                HashMap col_cache = new HashMap();
100:
101:                Iterator iter = fm.iterator();
102:                while (iter.hasNext()) {
103:                    ComponentMemento cm = (ComponentMemento) iter.next();
104:                    CellConstraintsMemento ccm = cm.getCellConstraintsMemento();
105:                    CellConstraints cc = ccm.createCellConstraints();
106:
107:                    try {
108:                        if (cm instanceof  FormMemento) {
109:                            FormMemento cfm = (FormMemento) cm;
110:                            MethodWriter subpanel = createPanel(method_writer,
111:                                    cfm);
112:                            method_writer
113:                                    .addStatement(createAddComponentStatement(
114:                                            form_bean_writer.getBeanVariable(),
115:                                            subpanel.getMethodName() + "()",
116:                                            ccvar.getVariable(), cc));
117:
118:                        } else if (cm instanceof  BeanMemento) {
119:                            BeanMemento bm = (BeanMemento) cm;
120:                            Integer icol = new Integer(cc.gridX);
121:                            Integer irow = new Integer(cc.gridY);
122:
123:                            if (bm.getBeanClass() == null) {
124:                                /** found an empty component */
125:                                if (col_cache.get(icol) == null)
126:                                    col_cache.put(icol, new FillMarker(bm,
127:                                            formlayout.getColumnSpec(icol
128:                                                    .intValue())));
129:
130:                                if (row_cache.get(irow) == null)
131:                                    row_cache.put(irow, new FillMarker(bm,
132:                                            formlayout.getRowSpec(irow
133:                                                    .intValue())));
134:
135:                            } else if (bm.getProperties() != null) {
136:                                String beanclass = bm.getBeanClass();
137:                                if (beanclass.indexOf("GridView") > 0
138:                                        || beanclass.indexOf("JETALabel") > 0
139:                                        || decl_mgr.isIncludeNonStandard()
140:                                        || beanclass.indexOf("com.jeta") < 0) {
141:
142:                                    BeanWriter bw = new BeanWriter(
143:                                            method_writer, bm.getProperties());
144:                                    method_writer.addStatements(bw
145:                                            .getStatements());
146:
147:                                    method_writer
148:                                            .addStatement(createAddComponentStatement(
149:                                                    form_bean_writer
150:                                                            .getBeanVariable(),
151:                                                    bw.getResultVariable(),
152:                                                    ccvar.getVariable(), cc));
153:                                    /** puts a newline between beans */
154:                                    method_writer
155:                                            .addStatement(new BasicStatement(""));
156:
157:                                    if (icol.intValue() == 1)
158:                                        row_cache.put(irow, new FillMarker(bm,
159:                                                formlayout.getRowSpec(irow
160:                                                        .intValue())));
161:
162:                                    if (irow.intValue() == 1)
163:                                        col_cache.put(icol, new FillMarker(bm,
164:                                                formlayout.getColumnSpec(icol
165:                                                        .intValue())));
166:                                }
167:
168:                            }
169:                        } else {
170:                            assert (false);
171:                        }
172:                    } catch (Exception e) {
173:
174:                    }
175:                }
176:
177:                MethodStatement addseps = new MethodStatement(
178:                        "addFillComponents");
179:                addseps.addParameter(form_bean_writer.getBeanVariable());
180:                addseps.addParameter(createFillArray(col_cache, formlayout
181:                        .getColumnCount()));
182:                addseps.addParameter(createFillArray(row_cache, formlayout
183:                        .getRowCount()));
184:                method_writer.addStatement(addseps);
185:
186:                return method_writer;
187:            }
188:
189:            private Statement createAddComponentStatement(String formVariable,
190:                    String beanVariable, String ccVar, CellConstraints cc) {
191:                MethodStatement ms = new MethodStatement(formVariable, "add");
192:                ms.addParameter(beanVariable);
193:
194:                if (cc.hAlign == m_default_cc.hAlign
195:                        && cc.vAlign == m_default_cc.vAlign) {
196:                    if (cc.gridWidth == 1 && cc.gridHeight == 1) {
197:                        MethodExpression ccme = new MethodExpression(ccVar,
198:                                "xy");
199:                        ccme.addParameter(String.valueOf(cc.gridX));
200:                        ccme.addParameter(String.valueOf(cc.gridY));
201:                        ms.addParameter(ccme);
202:                    } else {
203:                        MethodExpression ccme = new MethodExpression(ccVar,
204:                                "xywh");
205:                        ccme.addParameter(String.valueOf(cc.gridX));
206:                        ccme.addParameter(String.valueOf(cc.gridY));
207:                        ccme.addParameter(String.valueOf(cc.gridWidth));
208:                        ccme.addParameter(String.valueOf(cc.gridHeight));
209:                        ms.addParameter(ccme);
210:                    }
211:                } else {
212:                    MethodExpression ccme = new MethodExpression(
213:                            "new CellConstraints");
214:                    ccme.addParameter(String.valueOf(cc.gridX));
215:                    ccme.addParameter(String.valueOf(cc.gridY));
216:                    ccme.addParameter(String.valueOf(cc.gridWidth));
217:                    ccme.addParameter(String.valueOf(cc.gridHeight));
218:                    ccme.addParameter("CellConstraints."
219:                            + FormUtils.fromAlignment(cc.hAlign));
220:                    ccme.addParameter("CellConstraints."
221:                            + FormUtils.fromAlignment(cc.vAlign));
222:                    ms.addParameter(ccme);
223:                }
224:                return ms;
225:            }
226:
227:            /**
228:             * Creates an array of column or row indices that correspond to cells in the
229:             * first row or column that require empty filler components. This is
230:             * required to keep the spacing of the grid consistent with the view in the
231:             * editor.
232:             * 
233:             * @param indexes
234:             *            a map of Integer indexes to ComponentMememeto objects.
235:             */
236:            private String createFillArray(HashMap indexes, int count) {
237:                StringBuffer sbuff = null;
238:                for (int index = 1; index <= count; index++) {
239:                    Integer ival = new Integer(index);
240:                    FillMarker fm = (FillMarker) indexes.get(ival);
241:                    if (fm == null || fm.isFillable()) {
242:                        /** we have an empty row/column */
243:                        if (sbuff == null) {
244:                            sbuff = new StringBuffer("new int[]{ ");
245:                            sbuff.append(String.valueOf(index));
246:                        } else {
247:                            sbuff.append(',');
248:                            sbuff.append(String.valueOf(index));
249:                        }
250:                    }
251:                }
252:
253:                if (sbuff == null) {
254:                    return "new int[0]";
255:                } else {
256:                    sbuff.append(" }");
257:                    return sbuff.toString();
258:                }
259:            }
260:
261:            private String getSuggestedMethodName(String mname) {
262:                mname = FormDesignerUtils.fastTrim(mname);
263:                if (mname.length() == 0)
264:                    mname = "createPanel";
265:                else
266:                    mname = "create" + mname;
267:                return mname;
268:            }
269:
270:            private void setGroups(MethodWriter method_writer,
271:                    String layoutVariable, FormMemento fm, boolean colGroups) {
272:                StringBuffer group_params = null;
273:                FormGroupSet grpset = fm.getColumnGroups();
274:                if (colGroups)
275:                    grpset = fm.getColumnGroups();
276:                else
277:                    grpset = fm.getRowGroups();
278:
279:                if (grpset != null) {
280:                    int[][] grps = grpset.toArray();
281:                    for (int index = 0; index < grps.length; index++) {
282:                        int[] group = grps[index];
283:                        if (group != null && group.length > 0) {
284:                            if (group_params == null)
285:                                group_params = new StringBuffer();
286:                            else
287:                                group_params.append(", ");
288:
289:                            group_params.append("{");
290:                            for (int gindex = 0; gindex < group.length; gindex++) {
291:                                if (gindex != 0)
292:                                    group_params.append(",");
293:                                group_params.append(String
294:                                        .valueOf(group[gindex]));
295:                            }
296:                            group_params.append("}");
297:                        }
298:                    }
299:
300:                    if (group_params != null) {
301:                        group_params.insert(0, "new int[][]{ ");
302:                        group_params.append(" }");
303:
304:                        MethodStatement setgroup = null;
305:                        if (colGroups)
306:                            setgroup = new MethodStatement(layoutVariable,
307:                                    "setColumnGroups");
308:                        else
309:                            setgroup = new MethodStatement(layoutVariable,
310:                                    "setRowGroups");
311:
312:                        setgroup.addParameter(group_params.toString());
313:                        method_writer.addStatement(setgroup);
314:                    }
315:                }
316:            }
317:
318:            private static class FillMarker {
319:                private BeanMemento m_memento;
320:                private Object m_spec;
321:
322:                public FillMarker(BeanMemento memento, ColumnSpec spec) {
323:                    m_memento = memento;
324:                    m_spec = spec;
325:                }
326:
327:                public FillMarker(BeanMemento memento, RowSpec spec) {
328:                    m_memento = memento;
329:                    m_spec = spec;
330:                }
331:
332:                public boolean isFillable() {
333:                    if (m_spec instanceof  RowSpec)
334:                        return isFillable((RowSpec) m_spec);
335:                    else if (m_spec instanceof  ColumnSpec)
336:                        return isFillable((ColumnSpec) m_spec);
337:                    else {
338:                        assert (false);
339:                        return false;
340:                    }
341:                }
342:
343:                public boolean isFillable(ColumnSpec spec) {
344:                    return (m_memento == null || m_memento.getBeanClass() == null
345:                            && (spec.getSize() == Sizes.DEFAULT || spec
346:                                    .getSize() == Sizes.PREFERRED));
347:
348:                }
349:
350:                public boolean isFillable(RowSpec spec) {
351:                    return (m_memento == null || m_memento.getBeanClass() == null
352:                            && (spec.getSize() == Sizes.DEFAULT || spec
353:                                    .getSize() == Sizes.PREFERRED));
354:                }
355:            }
356:        }
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