|
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.fo.pagination.PageSequence;
57 import org.apache.fop.layout.*;
58 import org.apache.fop.apps.FOPException;
59
60 public class BlockContainer extends FObj {
61
62 int position;
63
64 int top;
65 int bottom;
66 int left;
67 int right;
68 int width;
69 int height;
70
71 int span;
72
73 AreaContainer areaContainer;
74
75 public static class Maker extends FObj.Maker {
76 public FObj make(FObj parent, PropertyList propertyList,
77 String  systemId, int line, int column)
78 throws FOPException {
79 return new BlockContainer(parent, propertyList,
80 systemId, line, column);
81 }
82
83 }
84
85 public static FObj.Maker maker() {
86 return new BlockContainer.Maker();
87 }
88
89 PageSequence pageSequence;
90
91 protected BlockContainer(FObj parent, PropertyList propertyList,
92 String systemId, int line, int column)
93 throws FOPException {
94 super(parent, propertyList, systemId, line, column);
95 this.span = this.properties.get("span").getEnum();
96 }
97
98 public String getName() {
99 return "fo:block-container";
100 }
101
102 public int layout(Area area) throws FOPException {
103 if (this.marker == START) {
104
105 AbsolutePositionProps mAbsProps = propMgr.getAbsolutePositionProps();
107
108 BorderAndPadding bap = propMgr.getBorderAndPadding();
110 BackgroundProps bProps = propMgr.getBackgroundProps();
111
112 MarginProps mProps = propMgr.getMarginProps();
114
115
131 this.marker = 0;
132
133 this.position = this.properties.get("position").getEnum();
134 this.top = this.properties.get("top").getLength().mvalue();
135 this.bottom = this.properties.get("bottom").getLength().mvalue();
136 this.left = this.properties.get("left").getLength().mvalue();
137 this.right = this.properties.get("right").getLength().mvalue();
138 this.width = this.properties.get("width").getLength().mvalue();
139 this.height = this.properties.get("height").getLength().mvalue();
140 span = this.properties.get("span").getEnum();
141
142 String id = this.properties.get("id").getString();
144 try {
145 area.getIDReferences().initializeID(id, area);
146 }
147 catch(FOPException e) {
148 if (!e.isLocationSet()) {
149 e.setLocation(systemId, line, column);
150 }
151 throw e;
152 }
153 }
154
155 boolean prevChildMustKeepWithNext = false;
156
157 AreaContainer container = (AreaContainer)area;
158 if ((this.width == 0) && (this.height == 0)) {
159 width = right - left;
160 height = bottom - top;
161 }
162
163 this.areaContainer =
164 new AreaContainer(propMgr.getFontState(container.getFontInfo()),
165 container.getXPosition() + left,
166 container.getYPosition() - top, width, height,
167 position);
168
169 areaContainer.setPage(area.getPage());
170 areaContainer.setBackground(propMgr.getBackgroundProps());
171 areaContainer.setBorderAndPadding(propMgr.getBorderAndPadding());
172 areaContainer.start();
173
174 areaContainer.setAbsoluteHeight(0);
176 areaContainer.setIDReferences(area.getIDReferences());
177
178 int numChildren = this.children.size();
179 for (int i = this.marker; i < numChildren; i++) {
180 FObj fo = (FObj)children.get(i);
181 int status;
182 if (Status.isIncomplete((status = fo.layout(areaContainer)))) {
183
197 }
198 if (status == Status.KEEP_WITH_NEXT) {
199 prevChildMustKeepWithNext = true;
200 }
201 }
202
203 areaContainer.end();
204 if (position == Position.ABSOLUTE)
205 areaContainer.setHeight(height);
206 area.addChild(areaContainer);
207
208 return Status.OK;
209 }
210
211
215 public int getContentWidth() {
216 if (areaContainer != null)
217 return areaContainer.getContentWidth(); else
219 return 0; }
221
222 public boolean generatesReferenceAreas() {
223 return true;
224 }
225
226 public int getSpan() {
227 return this.span;
228 }
229
230 }
231 |
Popular Tags |
Java API By Example, From Geeks To Geeks.