This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1

1. Creating a Facebook Clone - Part V

2. © Codename One 2017 all rights reserved

3. public class RichTextView extends Container {
private String text;
private final float fontSize = 2.6f;
private EventDispatcher listeners = new EventDispatcher();
private Font currentFont;
private int currentColor = 0;
private String currentLink;
private Style lastCmp;
private Font defaultFont;
private Font boldFont;
private Font italicFont;
private int sizeOfSpace;
public RichTextView() {
init();
}
public RichTextView(String text) {
init();
setText(text);
RichTextView

4. public class RichTextView extends Container {
private String text;
private final float fontSize = 2.6f;
private EventDispatcher listeners = new EventDispatcher();
private Font currentFont;
private int currentColor = 0;
private String currentLink;
private Style lastCmp;
private Font defaultFont;
private Font boldFont;
private Font italicFont;
private int sizeOfSpace;
public RichTextView() {
init();
}
public RichTextView(String text) {
init();
setText(text);
RichTextView

5. public class RichTextView extends Container {
private String text;
private final float fontSize = 2.6f;
private EventDispatcher listeners = new EventDispatcher();
private Font currentFont;
private int currentColor = 0;
private String currentLink;
private Style lastCmp;
private Font defaultFont;
private Font boldFont;
private Font italicFont;
private int sizeOfSpace;
public RichTextView() {
init();
}
public RichTextView(String text) {
init();
setText(text);
RichTextView

6. public class RichTextView extends Container {
private String text;
private final float fontSize = 2.6f;
private EventDispatcher listeners = new EventDispatcher();
private Font currentFont;
private int currentColor = 0;
private String currentLink;
private Style lastCmp;
private Font defaultFont;
private Font boldFont;
private Font italicFont;
private int sizeOfSpace;
public RichTextView() {
init();
}
public RichTextView(String text) {
init();
setText(text);
RichTextView

7. public class RichTextView extends Container {
private String text;
private final float fontSize = 2.6f;
private EventDispatcher listeners = new EventDispatcher();
private Font currentFont;
private int currentColor = 0;
private String currentLink;
private Style lastCmp;
private Font defaultFont;
private Font boldFont;
private Font italicFont;
private int sizeOfSpace;
public RichTextView() {
init();
}
public RichTextView(String text) {
init();
setText(text);
RichTextView

8. public class RichTextView extends Container {
private String text;
private final float fontSize = 2.6f;
private EventDispatcher listeners = new EventDispatcher();
private Font currentFont;
private int currentColor = 0;
private String currentLink;
private Style lastCmp;
private Font defaultFont;
private Font boldFont;
private Font italicFont;
private int sizeOfSpace;
public RichTextView() {
init();
}
public RichTextView(String text) {
init();
setText(text);
RichTextView

9. private Font boldFont;
private Font italicFont;
private int sizeOfSpace;
public RichTextView() {
init();
}
public RichTextView(String text) {
init();
setText(text);
}
private void init() {
defaultFont = Font.createTrueTypeFont(NATIVE_MAIN_LIGHT, fontSize);
boldFont = Font.createTrueTypeFont(NATIVE_MAIN_BOLD, fontSize);
italicFont = Font.createTrueTypeFont(NATIVE_ITALIC_LIGHT, fontSize);
sizeOfSpace = defaultFont.charWidth(' ');
currentFont = defaultFont;
}
public void setAlignment(int align) {
((FlowLayout)getLayout()).setAlign(align);
}
RichTextView

10. }
private void init() {
defaultFont = Font.createTrueTypeFont(NATIVE_MAIN_LIGHT, fontSize);
boldFont = Font.createTrueTypeFont(NATIVE_MAIN_BOLD, fontSize);
italicFont = Font.createTrueTypeFont(NATIVE_ITALIC_LIGHT, fontSize);
sizeOfSpace = defaultFont.charWidth(' ');
currentFont = defaultFont;
}
public void setAlignment(int align) {
((FlowLayout)getLayout()).setAlign(align);
}
private void createComponent(String t) {
if(t.indexOf(' ') > -1) {
for(String s : StringUtil.tokenize(t, ' ')) {
createComponent(s);
}
return;
}
Label l;
if(currentLink != null) {
Button b = new Button(t, "Label");
RichTextView

11. }
private void init() {
defaultFont = Font.createTrueTypeFont(NATIVE_MAIN_LIGHT, fontSize);
boldFont = Font.createTrueTypeFont(NATIVE_MAIN_BOLD, fontSize);
italicFont = Font.createTrueTypeFont(NATIVE_ITALIC_LIGHT, fontSize);
sizeOfSpace = defaultFont.charWidth(' ');
currentFont = defaultFont;
}
public void setAlignment(int align) {
((FlowLayout)getLayout()).setAlign(align);
}
private void createComponent(String t) {
if(t.indexOf(' ') > -1) {
for(String s : StringUtil.tokenize(t, ' ')) {
createComponent(s);
}
return;
}
Label l;
if(currentLink != null) {
Button b = new Button(t, "Label");
RichTextView

12. }
private void init() {
defaultFont = Font.createTrueTypeFont(NATIVE_MAIN_LIGHT, fontSize);
boldFont = Font.createTrueTypeFont(NATIVE_MAIN_BOLD, fontSize);
italicFont = Font.createTrueTypeFont(NATIVE_ITALIC_LIGHT, fontSize);
sizeOfSpace = defaultFont.charWidth(' ');
currentFont = defaultFont;
}
public void setAlignment(int align) {
((FlowLayout)getLayout()).setAlign(align);
}
private void createComponent(String t) {
if(t.indexOf(' ') > -1) {
for(String s : StringUtil.tokenize(t, ' ')) {
createComponent(s);
}
return;
}
Label l;
if(currentLink != null) {
Button b = new Button(t, "Label");
RichTextView

13. ((FlowLayout)getLayout()).setAlign(align);
}
private void createComponent(String t) {
if(t.indexOf(' ') > -1) {
for(String s : StringUtil.tokenize(t, ' ')) {
createComponent(s);
}
return;
}
Label l;
if(currentLink != null) {
Button b = new Button(t, "Label");
final String currentLinkValue = currentLink;
b.addActionListener(e -> listeners.fireActionEvent(
new ActionEvent(currentLinkValue)));
l = b;
} else {
l = new Label(t);
}
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
RichTextView

14. ((FlowLayout)getLayout()).setAlign(align);
}
private void createComponent(String t) {
if(t.indexOf(' ') > -1) {
for(String s : StringUtil.tokenize(t, ' ')) {
createComponent(s);
}
return;
}
Label l;
if(currentLink != null) {
Button b = new Button(t, "Label");
final String currentLinkValue = currentLink;
b.addActionListener(e -> listeners.fireActionEvent(
new ActionEvent(currentLinkValue)));
l = b;
} else {
l = new Label(t);
}
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
RichTextView

15. ((FlowLayout)getLayout()).setAlign(align);
}
private void createComponent(String t) {
if(t.indexOf(' ') > -1) {
for(String s : StringUtil.tokenize(t, ' ')) {
createComponent(s);
}
return;
}
Label l;
if(currentLink != null) {
Button b = new Button(t, "Label");
final String currentLinkValue = currentLink;
b.addActionListener(e -> listeners.fireActionEvent(
new ActionEvent(currentLinkValue)));
l = b;
} else {
l = new Label(t);
}
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
RichTextView

16. ((FlowLayout)getLayout()).setAlign(align);
}
private void createComponent(String t) {
if(t.indexOf(' ') > -1) {
for(String s : StringUtil.tokenize(t, ' ')) {
createComponent(s);
}
return;
}
Label l;
if(currentLink != null) {
Button b = new Button(t, "Label");
final String currentLinkValue = currentLink;
b.addActionListener(e -> listeners.fireActionEvent(
new ActionEvent(currentLinkValue)));
l = b;
} else {
l = new Label(t);
}
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
RichTextView

17. if(currentLink != null) {
Button b = new Button(t, "Label");
final String currentLinkValue = currentLink;
b.addActionListener(e -> listeners.fireActionEvent(
new ActionEvent(currentLinkValue)));
l = b;
} else {
l = new Label(t);
}
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
s.setPadding(0, 0, 0, sizeOfSpace);
s.setMargin(0, 0, 0, 0);
lastCmp = s;
add(l);
}
public final void setText(String text) {
this.text = text;
removeAll();
try {
char[] chrs = ("<body>" + text + "</body>").toCharArray();
RichTextView

18. if(currentLink != null) {
Button b = new Button(t, "Label");
final String currentLinkValue = currentLink;
b.addActionListener(e -> listeners.fireActionEvent(
new ActionEvent(currentLinkValue)));
l = b;
} else {
l = new Label(t);
}
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
s.setPadding(0, 0, 0, sizeOfSpace);
s.setMargin(0, 0, 0, 0);
lastCmp = s;
add(l);
}
public final void setText(String text) {
this.text = text;
removeAll();
try {
char[] chrs = ("<body>" + text + "</body>").toCharArray();
RichTextView

19. if(currentLink != null) {
Button b = new Button(t, "Label");
final String currentLinkValue = currentLink;
b.addActionListener(e -> listeners.fireActionEvent(
new ActionEvent(currentLinkValue)));
l = b;
} else {
l = new Label(t);
}
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
s.setPadding(0, 0, 0, sizeOfSpace);
s.setMargin(0, 0, 0, 0);
lastCmp = s;
add(l);
}
public final void setText(String text) {
this.text = text;
removeAll();
try {
char[] chrs = ("<body>" + text + "</body>").toCharArray();
RichTextView

20. }
Style s = l.getAllStyles();
s.setFont(currentFont);
s.setFgColor(currentColor);
s.setPaddingUnit(Style.UNIT_TYPE_PIXELS);
s.setPadding(0, 0, 0, sizeOfSpace);
s.setMargin(0, 0, 0, 0);
lastCmp = s;
add(l);
}
public final void setText(String text) {
this.text = text;
removeAll();
try {
char[] chrs = ("<body>" + text + "</body>").toCharArray();
new Parser().eventParser(new CharArrayReader(chrs));
} catch(IOException err) {
log(err);
}
}
public String getText() {
return text;
RichTextView

21. this.text = text;
removeAll();
try {
char[] chrs = ("<body>" + text + "</body>").toCharArray();
new Parser().eventParser(new CharArrayReader(chrs));
} catch(IOException err) {
log(err);
}
}
public String getText() {
return text;
}
public void addLinkListener(ActionListener al) {
listeners.addListener(al);
}
public void removeLinkListener(ActionListener al) {
listeners.removeListener(al);
}
class Parser extends XMLParser {
@Override
RichTextView

22. }
public void removeLinkListener(ActionListener al) {
listeners.removeListener(al);
}
class Parser extends XMLParser {
@Override
protected void textElement(String text) {
if(text.length() > 0) {
if(lastCmp != null && text.startsWith(" ")) {
lastCmp.setPadding(0, 0, 0, sizeOfSpace);
}
createComponent(text);
if(!text.endsWith(" ")) {
lastCmp.setPadding(0, 0, 0, 0);
}
}
}
@Override
protected boolean startTag(String tag) {
switch(tag.toLowerCase()) {
case "a":
RichTextView

23. }
public void removeLinkListener(ActionListener al) {
listeners.removeListener(al);
}
class Parser extends XMLParser {
@Override
protected void textElement(String text) {
if(text.length() > 0) {
if(lastCmp != null && text.startsWith(" ")) {
lastCmp.setPadding(0, 0, 0, sizeOfSpace);
}
createComponent(text);
if(!text.endsWith(" ")) {
lastCmp.setPadding(0, 0, 0, 0);
}
}
}
@Override
protected boolean startTag(String tag) {
switch(tag.toLowerCase()) {
case "a":
RichTextView

24. }
public void removeLinkListener(ActionListener al) {
listeners.removeListener(al);
}
class Parser extends XMLParser {
@Override
protected void textElement(String text) {
if(text.length() > 0) {
if(lastCmp != null && text.startsWith(" ")) {
lastCmp.setPadding(0, 0, 0, sizeOfSpace);
}
createComponent(text);
if(!text.endsWith(" ")) {
lastCmp.setPadding(0, 0, 0, 0);
}
}
}
@Override
protected boolean startTag(String tag) {
switch(tag.toLowerCase()) {
case "a":
RichTextView

25. }
public void removeLinkListener(ActionListener al) {
listeners.removeListener(al);
}
class Parser extends XMLParser {
@Override
protected void textElement(String text) {
if(text.length() > 0) {
if(lastCmp != null && text.startsWith(" ")) {
lastCmp.setPadding(0, 0, 0, sizeOfSpace);
}
createComponent(text);
if(!text.endsWith(" ")) {
lastCmp.setPadding(0, 0, 0, 0);
}
}
}
@Override
protected boolean startTag(String tag) {
switch(tag.toLowerCase()) {
case "a":
RichTextView

26. createComponent(text);
if(!text.endsWith(" ")) {
lastCmp.setPadding(0, 0, 0, 0);
}
}
}
@Override
protected boolean startTag(String tag) {
switch(tag.toLowerCase()) {
case "a":
currentColor = 0x4267B2;
break;
case "b":
currentFont = boldFont;
break;
case "i":
currentFont = italicFont;
break;
}
return true;
}
@Override
RichTextView

27. break;
case "b":
currentFont = boldFont;
break;
case "i":
currentFont = italicFont;
break;
}
return true;
}
@Override
protected void endTag(String tag) {
currentColor = 0;
currentLink = null;
currentFont = defaultFont;
}
@Override
protected void attribute(
String tag, String attributeName, String value) {
if(tag.toLowerCase().equals("a") &&
attributeName.toLowerCase().equals("href")) {
currentLink = value;
RichTextView

28. @Override
protected void endTag(String tag) {
currentColor = 0;
currentLink = null;
currentFont = defaultFont;
}
@Override
protected void attribute(
String tag, String attributeName, String value) {
if(tag.toLowerCase().equals("a") &&
attributeName.toLowerCase().equals("href")) {
currentLink = value;
}
}
@Override
protected void notifyError(int errorId, String tag,
String attribute, String value, String description) {
log("Error during parsing: " + tag);
}
}
}
RichTextView