Java Code Examples for com.codename1.ui.TextArea#getStyle()

TextAreaData(TextArea ta) {

            absoluteX = ta.getAbsoluteX();
            absoluteY = ta.getAbsoluteY();
            scrollX = ta.getScrollX();
            scrollY = ta.getScrollY();
            Style s = ta.getStyle();
            paddingTop = s.getPaddingTop();
            paddingLeft = s.getPaddingLeft(ta.isRTL());
            paddingRight = s.getPaddingRight(ta.isRTL());
            paddingBottom = s.getPaddingBottom();
            isTextField = (ta instanceof TextField);
            verticalAlignment = ta.getVerticalAlignment();
            height = ta.getHeight();
            width = ta.getWidth();
            fontHeight = s.getFont().getHeight();
            textArea = ta;
            isRTL = ta.isRTL();
            nextDown = textArea.getComponentForm().getNextComponent(textArea);
            isSingleLineTextArea = textArea.isSingleLineTextArea();
            hint = ta.getHint();
            nativeHintBool = textArea.getUIManager().isThemeConstant("nativeHintBool", false);
            nativeFont = s.getFont().getNativeFont();
            fgColor = s.getFgColor();
            maxSize = ta.getMaxSize();
        }
 

/**
 * {@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);
}
 

/**
 * Calculates the position of the text field cursor within the string
 */
private int getTextFieldCursorX(TextArea ta) {
    Style style = ta.getStyle();
    Font f = style.getFont();

    // display ******** if it is a password field
    String displayText = getTextFieldString(ta);
    String inputMode = ta.getInputMode();
    int inputModeWidth = f.stringWidth(inputMode);
    // QWERTY devices don't quite have an input mode hide it also when we have a VK
    if(ta.isQwertyInput() || Display.getInstance().isVirtualKeyboardShowing()) {
        inputMode = "";
        inputModeWidth = 0;
    }

    int xPos = 0;
    int cursorCharPosition = ta.getCursorX();
    int cursorX=0;
    int x = 0;

    if (reverseAlignForBidi(ta) == Component.RIGHT) {
    	if (Display.getInstance().isBidiAlgorithm()) {
            //char[] dest = displayText.toCharArray();
            cursorCharPosition = Display.getInstance().getCharLocation(displayText, cursorCharPosition-1);

            if (cursorCharPosition==-1) {
                xPos = f.stringWidth(displayText);
            } else {
                displayText = Display.getInstance().convertBidiLogicalToVisual(displayText);
                if (!isRTLOrWhitespace((displayText.charAt(cursorCharPosition)))) {
                    cursorCharPosition++;
                }
                xPos = f.stringWidth(displayText.substring(0, cursorCharPosition));
            } 
    	}
    	int displayX = ta.getX() + ta.getWidth() - style.getPaddingLeft(ta.isRTL()) - f.stringWidth(displayText);
    	cursorX = displayX + xPos;
    	x=0;
    } else {
        if (cursorCharPosition > 0) {
            cursorCharPosition = Math.min(displayText.length(), 
                    cursorCharPosition);
            xPos = f.stringWidth(displayText.substring(0, cursorCharPosition));
        }
        cursorX = ta.getX() + style.getPaddingLeft(ta.isRTL()) + xPos;

        if (ta.isSingleLineTextArea() && ta.getWidth() > (f.getHeight() * 2) && cursorX >= ta.getWidth() - inputModeWidth  -style.getPaddingLeft(ta.isRTL())) {
            if (x + xPos >= ta.getWidth() - inputModeWidth - style.getPaddingLeftNoRTL() - style.getPaddingRightNoRTL()) {
                x = ta.getWidth() - inputModeWidth - style.getPaddingLeftNoRTL() - style.getPaddingRightNoRTL() - xPos -1;
            }
        }
    }

    return cursorX+x;
}
 

/**
   * {@inheritDoc}
   */
   public void drawTextFieldCursor(Graphics g, TextArea ta) {
       Style style = ta.getStyle();
       Font f = style.getFont();


      int cursorY;
      if(ta.isSingleLineTextArea()) {
          switch(ta.getVerticalAlignment()) {
              case Component.BOTTOM:
                  cursorY = ta.getY() + ta.getHeight() -  f.getHeight();
                  break;
              case Component.CENTER:
                  cursorY = ta.getY() + ta.getHeight() / 2 -  f.getHeight() / 2;
                  break;
              default:
                  cursorY = ta.getY() + style.getPaddingTop();
                  break;
          }
       } else {
          cursorY = ta.getY() + style.getPaddingTop() + ta.getCursorY() * (ta.getRowsGap() + f.getHeight());
       }
  	int cursorX = getTextFieldCursorX(ta);

      int align = reverseAlignForBidi(ta);
int x=0;
      if (align==Component.RIGHT) {
          String inputMode = ta.getInputMode();
          int inputModeWidth = f.stringWidth(inputMode);

  		int baseX=ta.getX()+style.getPaddingLeftNoRTL()+inputModeWidth;
  		if (cursorX<baseX) {
  			x=baseX-cursorX;
  		}
      }

      int oldColor = g.getColor();
      if(getTextFieldCursorColor() == 0) {
          g.setColor(style.getFgColor());
       } else {
          g.setColor(getTextFieldCursorColor());
       }
      g.drawLine(cursorX + x, cursorY, cursorX + x, cursorY + f.getHeight());
      g.setColor(oldColor);
  }