Start to support friendly usermodel interface to rich text character properties

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@377215 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2006-02-12 19:01:07 +00:00
parent 30fa7996ac
commit c5edf4cb53
3 changed files with 85 additions and 7 deletions

View File

@ -285,9 +285,9 @@ public class TextRun
/**
* Ensure a StyleTextPropAtom is present for this run,
* by adding if required
* by adding if required. Normally for internal TextRun use.
*/
private synchronized void ensureStyleAtomPresent() {
public synchronized void ensureStyleAtomPresent() {
if(_styleAtom != null) {
// All there
return;

View File

@ -84,8 +84,8 @@ public class StyleTextPropAtom extends RecordAtom
public void setCharacterStyles(LinkedList cs) { charStyles = cs; }
/** All the different kinds of paragraph properties we might handle */
public TextProp[] paragraphTextPropTypes = new TextProp[] {
new BitMaskTextProp(2, 0xF, new String[] {
public static TextProp[] paragraphTextPropTypes = new TextProp[] {
new BitMaskTextProp(2, 0xF, "paragraph_flags", new String[] {
"bullet", "bullet.hardfont",
"bullet.hardcolor", "bullet.hardsize"}
),
@ -105,7 +105,7 @@ public class StyleTextPropAtom extends RecordAtom
new TextProp(2, 0xA0000, "para_unknown_6")
};
/** All the different kinds of character properties we might handle */
public TextProp[] characterTextPropTypes = new TextProp[] {
public static TextProp[] characterTextPropTypes = new TextProp[] {
new CharFlagsTextProp(),
new TextProp(2, 0x10000, "font.index"),
new TextProp(2, 0x20000, "font.size"),
@ -329,6 +329,48 @@ public class StyleTextPropAtom extends RecordAtom
public int getCharactersCovered() { return charactersCovered; }
/** Fetch the TextProps that define this styling */
public LinkedList getTextPropList() { return textPropList; }
/** Fetch the TextProp with this name, or null if it isn't present */
public TextProp findByName(String textPropName) {
for(int i=0; i<textPropList.size(); i++) {
TextProp prop = (TextProp)textPropList.get(i);
if(prop.getName().equals(textPropName)) {
return prop;
}
}
return null;
}
/** Add the TextProp with this name to the list */
public TextProp addWithName(String name) {
// Find the base TextProp to base on
TextProp base = null;
for(int i=0; i < StyleTextPropAtom.characterTextPropTypes.length; i++) {
if(StyleTextPropAtom.characterTextPropTypes[i].getName().equals(name)) {
base = StyleTextPropAtom.characterTextPropTypes[i];
}
}
for(int i=0; i < StyleTextPropAtom.paragraphTextPropTypes.length; i++) {
if(StyleTextPropAtom.paragraphTextPropTypes[i].getName().equals(name)) {
base = StyleTextPropAtom.paragraphTextPropTypes[i];
}
}
if(base == null) {
throw new IllegalArgumentException("No TextProp with name " + name + " is defined to add from");
}
// Add a copy of this property, in the right place to the list
TextProp textProp = (TextProp)base.clone();
int pos = 0;
for(int i=0; i<textPropList.size(); i++) {
TextProp curProp = (TextProp)textPropList.get(i);
if(textProp.getMask() > curProp.getMask()) {
pos++;
}
}
textPropList.add(pos, textProp);
return textProp;
}
/**
* Create a new collection of text properties (be they paragraph
@ -504,9 +546,10 @@ public class StyleTextPropAtom extends RecordAtom
/** Fetch the list of if the sub properties match or not */
public boolean[] getSubPropMatches() { return subPropMatches; }
private BitMaskTextProp(int sizeOfDataBlock, int maskInHeader, String[] subPropNames) {
private BitMaskTextProp(int sizeOfDataBlock, int maskInHeader, String overallName, String[] subPropNames) {
super(sizeOfDataBlock,maskInHeader,"bitmask");
this.subPropNames = subPropNames;
this.propName = overallName;
subPropMasks = new int[subPropNames.length];
subPropMatches = new boolean[subPropNames.length];
}
@ -545,6 +588,7 @@ public class StyleTextPropAtom extends RecordAtom
} else {
dataValue -= subPropMasks[idx];
}
subPropMatches[idx] = value;
}
public Object clone(){
@ -575,7 +619,7 @@ public class StyleTextPropAtom extends RecordAtom
public static final int ENABLE_NUMBERING_2_IDX = 12;
private CharFlagsTextProp() {
super(2,0xffff, new String[] {
super(2,0xffff, "char_flags", new String[] {
"bold", // 0x0001
"italic", // 0x0002
"underline", // 0x0004

View File

@ -20,6 +20,7 @@
package org.apache.poi.hslf.usermodel;
import org.apache.poi.hslf.model.TextRun;
import org.apache.poi.hslf.record.StyleTextPropAtom.CharFlagsTextProp;
import org.apache.poi.hslf.record.StyleTextPropAtom.TextPropCollection;
/**
@ -124,6 +125,39 @@ public class RichTextRun
}
// --------------- Internal helpers on rich text properties -------
private boolean isCharFlagsTextPropVal(int index) {
if(characterStyle == null) { return false; }
CharFlagsTextProp cftp = (CharFlagsTextProp)
characterStyle.findByName("char_flags");
if(cftp == null) { return false; }
return cftp.getSubValue(index);
}
private void setCharFlagsTextPropVal(int index, boolean value) {
if(characterStyle == null) {
parentRun.ensureStyleAtomPresent();
}
CharFlagsTextProp cftp = (CharFlagsTextProp)
characterStyle.findByName("char_flags");
if(cftp == null) {
cftp = (CharFlagsTextProp)characterStyle.addWithName("char_flags");
}
cftp.setSubValue(value,index);
}
// --------------- Friendly getters / setters on rich text properties -------
public boolean isBold() {
return isCharFlagsTextPropVal(CharFlagsTextProp.BOLD_IDX);
}
public void setBold(boolean bold) {
setCharFlagsTextPropVal(CharFlagsTextProp.BOLD_IDX, bold);
}
/**
* Internal Use Only - get the underlying paragraph style collection.