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1 package org.lobobrowser.html.style;
2
3 import java.awt.Color  ;
4 import java.awt.Insets ;
5
6 import org.lobobrowser.html.domimpl.*;
7 import org.lobobrowser.util.gui.ColorFactory;
8 import org.w3c.dom.css.CSS2Properties;
9 import org.w3c.dom.html2.*;
10
11 public class TableCellRenderState extends DisplayRenderState {
12 public TableCellRenderState(RenderState prevRenderState, HTMLElementImpl element) {
13 super(prevRenderState, element, RenderState.DISPLAY_TABLE_CELL);
14 }
15
16 private int alignXPercent = -1;
17 private int alignYPercent = -1;
18 private BackgroundInfo backgroundInfo = INVALID_BACKGROUND_INFO;
19
20 public void invalidate() {
21 super.invalidate();
22 this.alignXPercent = -1;
23 this.alignYPercent = -1;
24 this.backgroundInfo = INVALID_BACKGROUND_INFO;
25 this.paddingInsets = INVALID_INSETS;
26 }
27
28 public int getAlignXPercent() {
29 int axp = this.alignXPercent;
30 if(axp != -1) {
31 return axp;
32 }
33 CSS2Properties props = this.getCssProperties();
34 if(props != null) {
35 String textAlign = props.getTextAlign();
36 if(textAlign != null && textAlign.length() != 0) {
37 return super.getAlignXPercent();
38 }
39 }
40 String align = this.element.getAttribute("align");
42 HTMLElement element = this.element;
43 HTMLElement rowElement = null;
44 Object parent = element.getParentNode();
45 if(parent instanceof HTMLElement) {
46 rowElement = (HTMLElement) parent;
47 }
48 if(align == null || align.length() == 0) {
49 if(rowElement != null) {
50 align = rowElement.getAttribute("align");
51 if(align != null && align.length() == 0) {
52 align = null;
53 }
54 }
55 else {
56 align = null;
57 }
58 }
59 if(align == null) {
60 if("TH".equalsIgnoreCase(element.getNodeName())) {
61 axp = 50;
62 }
63 else {
64 axp = 0;
65 }
66 }
67 else if("center".equalsIgnoreCase(align) || "middle".equalsIgnoreCase(align)) {
68 axp = 50;
69 }
70 else if("left".equalsIgnoreCase(align)) {
71 axp = 0;
72 }
73 else if("right".equalsIgnoreCase(align)) {
74 axp = 100;
75 }
76 else {
77 axp = 0;
79 }
80 this.alignXPercent = axp;
81 return axp;
82 }
83
84 public int getAlignYPercent() {
85 int ayp = this.alignYPercent;
86 if(ayp != -1) {
87 return ayp;
88 }
89 CSS2Properties props = this.getCssProperties();
90 if(props != null) {
91 String textAlign = props.getVerticalAlign();
92 if(textAlign != null && textAlign.length() != 0) {
93 return super.getAlignYPercent();
94 }
95 }
96 String valign = this.element.getAttribute("valign");
97 HTMLElement element = this.element;
98 HTMLElement rowElement = null;
99 Object parent = element.getParentNode();
100 if(parent instanceof HTMLElement) {
101 rowElement = (HTMLElement) parent;
102 }
103 if(valign == null || valign.length() == 0) {
104 if(rowElement != null) {
105 valign = rowElement.getAttribute("valign");
106 if(valign != null && valign.length() == 0) {
107 valign = null;
108 }
109 }
110 else {
111 valign = null;
112 }
113 }
114 if(valign == null) {
115 ayp = 50;
116 }
117 else if("top".equalsIgnoreCase(valign)) {
118 ayp = 0;
119 }
120 else if("middle".equalsIgnoreCase(valign) || "center".equalsIgnoreCase(valign)) {
121 ayp = 50;
122 }
123 else if("bottom".equalsIgnoreCase(valign)) {
124 ayp = 100;
125 }
126 else {
127 ayp = 50;
129 }
130 this.alignYPercent = ayp;
131 return ayp;
132 }
133
134 public BackgroundInfo getBackgroundInfo() {
135 BackgroundInfo binfo = this.backgroundInfo;
136 if(binfo != INVALID_BACKGROUND_INFO) {
137 return binfo;
138 }
139 binfo = super.getBackgroundInfo();
141 HTMLTableCellElementImpl element = (HTMLTableCellElementImpl) this.element;
142 HTMLTableRowElementImpl rowElement = null;
143 Object parentNode = element.getParentNode();
144 if(parentNode instanceof HTMLTableRowElementImpl) {
145 rowElement = (HTMLTableRowElementImpl) parentNode;
146 }
147 if(binfo == null || binfo.backgroundColor == null) {
148 String bgColor = element.getBgColor();
149 if(bgColor == null || "".equals(bgColor)) {
150 if(rowElement != null) {
151 bgColor = rowElement.getBgColor();
152 }
153 }
154 if(bgColor != null && !"".equals(bgColor)) {
155 Color bgc = ColorFactory.getInstance().getColor(bgColor);
156 if(binfo == null) {
157 binfo = new BackgroundInfo();
158 }
159 binfo.backgroundColor = bgc;
160 }
161 }
162 if(binfo == null || binfo.backgroundImage == null) {
163 String background = element.getAttribute("background");
164 if(background != null && !"".equals(background)) {
165 if(binfo == null) {
166 binfo = new BackgroundInfo();
167 }
168 binfo.backgroundImage = background;
169 }
170 }
171 this.backgroundInfo = binfo;
172 return binfo;
173 }
174
175 private HTMLTableElement getTableElement() {
176 org.w3c.dom.Node ancestor = this.element.getParentNode();
177 while(ancestor != null && !(ancestor instanceof HTMLTableElement)) {
178 ancestor = ancestor.getParentNode();
179 }
180 return (HTMLTableElement) ancestor;
181 }
182
183 private Insets paddingInsets = INVALID_INSETS;
184
185 public Insets getPaddingInsets() {
186 Insets insets = this.paddingInsets;
187 if(insets != INVALID_INSETS) {
188 return insets;
189 }
190 insets = super.getPaddingInsets();
191 if(insets == null) {
192 HTMLTableElement tableElement = this.getTableElement();
193 if(tableElement == null) {
194 return null;
196 }
197 String cellPaddingText = tableElement.getAttribute("cellpadding");
198 if(cellPaddingText != null && cellPaddingText.length() != 0) {
199 int cellPadding = HtmlValues.getOldSyntaxPixelSize(cellPaddingText, 600, 0);
201 insets = new Insets (cellPadding, cellPadding, cellPadding, cellPadding);
202 }
203 }
204 this.paddingInsets = insets;
205 return insets;
206 }
207
208 }
209 |
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