Java Code Examples for com.codename1.ui.TextArea#getLines()
The following examples show how to use
com.codename1.ui.TextArea#getLines() .
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Example 1
| Source File: BlackBerryImplementation.java From CodenameOne with GNU General Public License v2.0 | 4 votes |
|
public void run() {
// prevent a race condition by copying the global scope
TextArea t = lightweightEdit;
if (t != null) {
Dimension d = t.getPreferredSize();
t.setText(text);
Dimension current = t.getPreferredSize();
Form f = t.getComponentForm();
// allows the lightweight text area to grow to fill up the screen
if (d.getHeight() != current.getHeight() || d.getWidth() != current.getWidth()) {
f.getComponentForm().revalidate();
}
int currentLineLength = 0;
int numOfChars = 0;
int currentY = 0;
while (numOfChars <= cursorLocation && currentY < t.getLines()) {
String currentLine = t.getTextAt(currentY);
currentLineLength = currentLine.length();
if (numOfChars + currentLineLength < text.length()
&& (text.charAt(numOfChars + currentLineLength) == '\n'
|| text.charAt(numOfChars + currentLineLength) == ' ')) {
currentLineLength++;
}
numOfChars += currentLineLength;
currentY++;
}
int cursorY = Math.max(0, currentY - 1);
com.codename1.ui.Font textFont = t.getStyle().getFont();
int rowsGap = t.getRowsGap();
int lineHeight = textFont.getHeight() + rowsGap;
t.scrollRectToVisible(t.getScrollX(), cursorY * lineHeight, t.getWidth(), lineHeight, t);
app.invokeLater(new Runnable() {
public void run() {
canvas.updateRIMLayout();
}
});
}
}
Example 2
| Source File: DefaultLookAndFeel.java From CodenameOne with GNU General Public License v2.0 | 4 votes |
|
@Override
public Spans calculateTextAreaSpan(TextSelection sel, TextArea ta) {
Spans out = sel.newSpans();
//setFG(g, ta);
//Span out = sel.newSpan(ta);
int line = ta.getLines();
//int oX = g.getClipX();
//int oY = g.getClipY();
//int oWidth = g.getClipWidth();
//int oHeight = g.getClipHeight();
Font f = ta.getStyle().getFont();
int fontHeight = f.getHeight();
int align = reverseAlignForBidi(ta);
int leftPadding = ta.getStyle().getPaddingLeft(ta.isRTL());
int rightPadding = ta.getStyle().getPaddingRight(ta.isRTL());
int topPadding = ta.getStyle().getPaddingTop();
switch (ta.getVerticalAlignment()) {
case Component.CENTER :
topPadding += Math.max(0, (ta.getInnerHeight() - (ta.getRowsGap() + fontHeight) * line)/2);
break;
case Component.BOTTOM :
topPadding += Math.max(0, (ta.getInnerHeight() - (ta.getRowsGap() + fontHeight) * line));
}
//boolean shouldBreak = false;
int posOffset = 0;
int lastRowBottom = 0;
for (int i = 0; i < line; i++) {
Span rowSpan = sel.newSpan(ta);
int x = ta.getX() + leftPadding;
int y = ta.getY() + topPadding +
(ta.getRowsGap() + fontHeight) * i;
int adjustedY = Math.max(y, lastRowBottom);
int yDiff = adjustedY - y;
y = adjustedY;
//if(Rectangle.intersects(x, y, ta.getWidth(), fontHeight, oX, oY, oWidth, oHeight)) {
String rowText = (String) ta.getTextAt(i);
//display ******** if it is a password field
String displayText = "";
if ((ta.getConstraint() & TextArea.PASSWORD) != 0) {
int rlen = rowText.length();
for (int j = 0; j < rlen; j++) {
displayText += passwordChar;
}
} else {
displayText = rowText;
}
posOffset = ta.getText().indexOf(rowText, posOffset);
switch(align) {
case Component.RIGHT:
x = ta.getX() + ta.getWidth() - rightPadding - f.stringWidth(displayText);
break;
case Component.CENTER:
x+= (ta.getWidth()-leftPadding-rightPadding-f.stringWidth(displayText))/2;
break;
}
//int nextY = ta.getY() + topPadding + (ta.getRowsGap() + fontHeight) * (i + 2);
//if this is the last line to display and there is more content and isEndsWith3Points() is true
//add "..." at the last row
if(ta.isEndsWith3Points() && ta.getGrowLimit() == (i + 1) && ta.getGrowLimit() != line){
if(displayText.length() > 3){
displayText = displayText.substring(0, displayText.length() - 3);
}
//g.drawString(displayText + "...", x, y ,ta.getStyle().getTextDecoration());
append(sel, ta, rowSpan, displayText + "...", f, posOffset, x, y, getSelectionHeight(f) - yDiff);
lastRowBottom = rowSpan.getBounds().getY() + rowSpan.getBounds().getHeight();
rowSpan = rowSpan.translate(ta.getAbsoluteX() - sel.getSelectionRoot().getAbsoluteX() - ta.getX(), ta.getAbsoluteY() - sel.getSelectionRoot().getAbsoluteY() - ta.getY());
out.add(rowSpan);
return out;
}else{
//g.drawString(displayText, x, y ,ta.getStyle().getTextDecoration());
append(sel, ta, rowSpan, displayText, f, posOffset, x, y, getSelectionHeight(f) - yDiff);
lastRowBottom = rowSpan.getBounds().getY() + rowSpan.getBounds().getHeight();
rowSpan = rowSpan.translate(ta.getAbsoluteX() - sel.getSelectionRoot().getAbsoluteX() - ta.getX(), ta.getAbsoluteY() - sel.getSelectionRoot().getAbsoluteY() - ta.getY());
out.add(rowSpan);
}
posOffset += displayText.length();
//shouldBreak = true;
//}else{
// if(shouldBreak){
// break;
// }
//}
}
return out;
}
Example 3
| Source File: DefaultLookAndFeel.java From CodenameOne with GNU General Public License v2.0 | 4 votes |
|
/**
* {@inheritDoc}
*/
public void drawTextArea(Graphics g, TextArea ta) {
setFG(g, ta);
int line = ta.getLines();
int oX = g.getClipX();
int oY = g.getClipY();
int oWidth = g.getClipWidth();
int oHeight = g.getClipHeight();
Font f = ta.getStyle().getFont();
int fontHeight = f.getHeight();
int align = reverseAlignForBidi(ta);
int leftPadding = ta.getStyle().getPaddingLeft(ta.isRTL());
int rightPadding = ta.getStyle().getPaddingRight(ta.isRTL());
int topPadding = ta.getStyle().getPaddingTop();
switch (ta.getVerticalAlignment()) {
case Component.CENTER :
topPadding += Math.max(0, (ta.getInnerHeight() - ta.getRowsGap()*(line-1) - fontHeight* line)/2);
break;
case Component.BOTTOM :
topPadding += Math.max(0, (ta.getInnerHeight() - ta.getRowsGap()*(line-1) - fontHeight* line));
}
boolean shouldBreak = false;
for (int i = 0; i < line; i++) {
int x = ta.getX() + leftPadding;
int y = ta.getY() + topPadding +
(ta.getRowsGap() + fontHeight) * i;
if(Rectangle.intersects(x, y, ta.getWidth(), fontHeight, oX, oY, oWidth, oHeight)) {
String rowText = (String) ta.getTextAt(i);
//display ******** if it is a password field
String displayText = "";
if ((ta.getConstraint() & TextArea.PASSWORD) != 0) {
int rlen = rowText.length();
for (int j = 0; j < rlen; j++) {
displayText += passwordChar;
}
} else {
displayText = rowText;
}
switch(align) {
case Component.RIGHT:
x = ta.getX() + ta.getWidth() - rightPadding - f.stringWidth(displayText);
break;
case Component.CENTER:
x+= (ta.getWidth()-leftPadding-rightPadding-f.stringWidth(displayText))/2;
break;
}
int nextY = ta.getY() + topPadding + (ta.getRowsGap() + fontHeight) * (i + 2);
//if this is the last line to display and there is more content and isEndsWith3Points() is true
//add "..." at the last row
if(ta.isEndsWith3Points() && ta.getGrowLimit() == (i + 1) && ta.getGrowLimit() != line){
if(displayText.length() > 3){
displayText = displayText.substring(0, displayText.length() - 3);
}
g.drawString(displayText + "...", x, y ,ta.getStyle().getTextDecoration());
return;
}else{
g.drawString(displayText, x, y ,ta.getStyle().getTextDecoration());
}
shouldBreak = true;
}else{
if(shouldBreak){
break;
}
}
}
}
Example 4
| Source File: DefaultLookAndFeel.java From CodenameOne with GNU General Public License v2.0 | 4 votes |
|
/**
* {@inheritDoc}
*/
public Dimension getTextAreaSize(TextArea ta, boolean pref) {
int prefW = 0;
int prefH = 0;
Style style = ta.getStyle();
Font f = style.getFont();
//if this is a text field the preferred size should be the text width
if (ta.getRows() == 1) {
prefW = f.stringWidth(ta.getText());
} else {
prefW = f.charWidth(TextArea.getWidestChar()) * ta.getColumns();
}
int rows;
if(pref) {
rows = ta.getActualRows();
} else {
rows = ta.getLines();
}
prefH = (f.getHeight() + ta.getRowsGap()) * rows;
if(!ta.isActAsLabel()) {
int columns = ta.getColumns();
String str = "";
for (int iter = 0; iter < columns; iter++) {
str += TextArea.getWidestChar();
}
if(columns > 0) {
prefW = Math.max(prefW, f.stringWidth(str));
}
}
prefH = Math.max(prefH, rows * f.getHeight());
prefW += style.getPaddingRightNoRTL() + style.getPaddingLeftNoRTL();
prefH += style.getPaddingTop() + style.getPaddingBottom();
if(style.getBorder() != null) {
prefW = Math.max(style.getBorder().getMinimumWidth(), prefW);
prefH = Math.max(style.getBorder().getMinimumHeight(), prefH);
}
if(isBackgroundImageDetermineSize() && style.getBgImage() != null) {
prefW = Math.max(style.getBgImage().getWidth(), prefW);
prefH = Math.max(style.getBgImage().getHeight(), prefH);
}
return new Dimension(prefW, prefH);
}
