|
1
51 package org.apache.fop.fo.flow;
52
53 import org.apache.fop.fo.*;
55 import org.apache.fop.fo.properties.*;
56 import org.apache.fop.datatypes.*;
57 import org.apache.fop.layout.*;
58 import org.apache.fop.apps.FOPException;
59
60 import java.util.ArrayList  ;
62
63 public abstract class AbstractTableBody extends FObj {
64
65 int spaceBefore;
66 int spaceAfter;
67 String id;
68
69 ArrayList columns;
70 RowSpanMgr rowSpanMgr;
72 AreaContainer areaContainer;
73
74 public AbstractTableBody(FObj parent, PropertyList propertyList,
75 String systemId, int line, int column)
76 throws FOPException {
77 super(parent, propertyList, systemId, line, column);
78 if (!(parent instanceof Table)) {
79 throw new FOPException("A table body must be child of fo:table,"
80 + " not " + parent.getName(),
81 systemId, line, column);
82 }
83 }
84
85 public void setColumns(ArrayList columns) {
86 this.columns = columns;
87 }
88
89 public void setYPosition(int value) {
90 areaContainer.setYPosition(value);
91 }
92
93 public int getYPosition() {
94 return areaContainer.getCurrentYPosition();
95 }
96
97 public int getHeight() {
98 return areaContainer.getHeight() + spaceBefore + spaceAfter;
99 }
100
101 public int layout(Area area) throws FOPException {
102 if (this.marker == BREAK_AFTER) {
103 return Status.OK;
104 }
105
106 if (this.marker == START) {
107
108 AccessibilityProps mAccProps = propMgr.getAccessibilityProps();
110
111 AuralProps mAurProps = propMgr.getAuralProps();
113
114 BorderAndPadding bap = propMgr.getBorderAndPadding();
116 BackgroundProps bProps = propMgr.getBackgroundProps();
117
118 RelativePositionProps mRelProps = propMgr.getRelativePositionProps();
120
121
123 this.spaceBefore =
124 this.properties.get("space-before.optimum").getLength().mvalue();
125 this.spaceAfter =
126 this.properties.get("space-after.optimum").getLength().mvalue();
127 this.id = this.properties.get("id").getString();
128
129 try {
130 area.getIDReferences().createID(id);
131 }
132 catch(FOPException e) {
133 if (!e.isLocationSet()) {
134 e.setLocation(systemId, line, column);
135 }
136 throw e;
137 }
138
139 if (area instanceof BlockArea) {
140 area.end();
141 }
142
143 if (rowSpanMgr == null) {
144 rowSpanMgr = new RowSpanMgr(columns.size());
145 }
146
147
151 this.marker = 0;
152
153 }
154
155 if ((spaceBefore != 0) && (this.marker == 0)) {
156 area.increaseHeight(spaceBefore);
157 }
158
159 if (marker == 0) {
160 area.getIDReferences().configureID(id, area);
162 }
163
164 int spaceLeft = area.spaceLeft();
165
166
173 this.areaContainer =
174 new AreaContainer(propMgr.getFontState(area.getFontInfo()), 0,
175 area.getContentHeight(),
176 area.getContentWidth(), area.spaceLeft(), Position.RELATIVE);
178 areaContainer.foCreator = this; areaContainer.setPage(area.getPage());
180 areaContainer.setParent(area);
181 areaContainer.setBackground(propMgr.getBackgroundProps());
182 areaContainer.setBorderAndPadding(propMgr.getBorderAndPadding());
183 areaContainer.start();
184
185 areaContainer.setAbsoluteHeight(area.getAbsoluteHeight());
186 areaContainer.setIDReferences(area.getIDReferences());
187
188 ArrayList keepWith = new ArrayList ();
189 int numChildren = this.children.size();
190 TableRow lastRow = null;
191 boolean endKeepGroup = true;
192 for (int i = this.marker; i < numChildren; i++) {
193 Object child = children.get(i);
194 if (child instanceof Marker) {
195 ((Marker)child).layout(area);
196 continue;
197 }
198 if (!(child instanceof TableRow)) {
199 throw new FOPException("Currently only Table Rows are supported in table body, header and footer", systemId, line, column);
200 }
201 TableRow row = (TableRow)child;
202
203 row.setRowSpanMgr(rowSpanMgr);
204 row.setColumns(columns);
205 row.doSetup(areaContainer);
206 if (row.getKeepWithPrevious().getType()
207 != KeepValue.KEEP_WITH_AUTO && lastRow != null
208 && keepWith.indexOf(lastRow)
209 == -1) {
210 keepWith.add(lastRow);
211 } else {
212
215 if (endKeepGroup && keepWith.size() > 0) {
216 keepWith = new ArrayList ();
217 }
218 if (endKeepGroup && i > this.marker) {
221 rowSpanMgr.setIgnoreKeeps(false);
222 }
223 }
224
225
228 boolean bRowStartsArea = (i == this.marker);
229 if (bRowStartsArea == false && keepWith.size() > 0) {
230 if (children.indexOf(keepWith.get(0)) == this.marker) {
231 bRowStartsArea = true;
232 }
233 }
234 row.setIgnoreKeepTogether(bRowStartsArea && startsAC(area));
235 int status;
236 if (Status.isIncomplete((status = row.layout(areaContainer)))) {
237 if (Status.isPageBreak(status)) {
239 this.marker = i;
240 area.addChild(areaContainer);
241
243 area.increaseHeight(areaContainer.getHeight());
244 if (i == numChildren - 1) {
245 this.marker = BREAK_AFTER;
246 if (spaceAfter != 0) {
247 area.increaseHeight(spaceAfter);
248 }
249 }
250 return status;
251 }
252 if ((keepWith.size() > 0)
253 && (!rowSpanMgr.ignoreKeeps())) {
254 row.removeLayout(areaContainer);
257 for (int j = 0; j < keepWith.size(); j++) {
258 TableRow tr = (TableRow)keepWith.get(j);
259 tr.removeLayout(areaContainer);
260 i--;
261 }
262 if (i == 0) {
263 resetMarker();
264
265 rowSpanMgr.setIgnoreKeeps(true);
267
268 return Status.AREA_FULL_NONE;
269 }
270 }
271 this.marker = i;
272 if ((i != 0) && (status == Status.AREA_FULL_NONE)) {
273 status = Status.AREA_FULL_SOME;
274 }
275 if (!((i == 0) && (areaContainer.getContentHeight() <= 0))) {
276 area.addChild(areaContainer);
277
279 area.increaseHeight(areaContainer.getHeight());
280 }
281
282 rowSpanMgr.setIgnoreKeeps(true);
284
285 return status;
286 } else if (status == Status.KEEP_WITH_NEXT
287 || rowSpanMgr.hasUnfinishedSpans()) {
288 keepWith.add(row);
289 endKeepGroup = false;
290 } else {
291 endKeepGroup = true;
292 }
293 lastRow = row;
294 area.setMaxHeight(area.getMaxHeight() - spaceLeft
295 + this.areaContainer.getMaxHeight());
296 spaceLeft = area.spaceLeft();
297 }
298 area.addChild(areaContainer);
299 areaContainer.end();
300
301 area.increaseHeight(areaContainer.getHeight());
302
303 if (spaceAfter != 0) {
304 area.increaseHeight(spaceAfter);
305 area.setMaxHeight(area.getMaxHeight() - spaceAfter);
306 }
307
308 if (area instanceof BlockArea) {
309 area.start();
310 }
311
312 return Status.OK;
313 }
314
315 public void removeLayout(Area area) {
316 if (areaContainer != null) {
317 area.removeChild(areaContainer);
318 }
319 if (spaceBefore != 0) {
320 area.increaseHeight(-spaceBefore);
321 }
322 if (spaceAfter != 0) {
323 area.increaseHeight(-spaceAfter);
324 }
325 this.resetMarker();
326 this.removeID(area.getIDReferences());
327 }
328
329
333 private boolean startsAC(Area area) {
334 Area parent=null;
335
336 while ((parent = area.getParent()) != null &&
337 parent.hasNonSpaceChildren() == false) {
338 if (parent instanceof AreaContainer &&
341 ((AreaContainer)parent).getPosition() == Position.ABSOLUTE) {
342 return true;
343 }
344 area = parent;
345 }
346 return false;
347 }
348 }
349 |
Popular Tags |
Java API By Example, From Geeks To Geeks.