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POCustom Listfield doesn't draw correctly
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  1. POCustom Listfield doesn't draw correctly
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    copied!<p>I added a custom listfield component using BSimpleTable which I got from here : <a href="http://javaandjava.blogspot.com/2010/02/simple-table-component-for-blackberry.html" rel="nofollow">http://javaandjava.blogspot.com/2010/02/simple-table-component-for-blackberry.html</a> Unfortunately the component doesn't support right alignment for the fields inside it, so I tried to added it by modifying the code, like this :</p> <pre><code>public class BSimpleRowRenderer extends Manager{ private int[] colWidthPercents; private int[] cellFrontPaddings; private int preferredHeight; public BSimpleRowRenderer(long style,Field[] rowContents,int preferredHeight, int[] colWidthPercents,int[] cellFrontPaddings){ super(style); for (int col = 0; col &lt; rowContents.length; col++) { add(rowContents[col]); } this.colWidthPercents = new int[rowContents.length]; for(int i=0;i&lt;colWidthPercents.length;i++){ this.colWidthPercents[i] = colWidthPercents[i]; } this.cellFrontPaddings = new int[rowContents.length]; for(int i=0;i&lt;cellFrontPaddings.length;i++){ this.cellFrontPaddings[i] = cellFrontPaddings[i]; } this.preferredHeight = preferredHeight; } protected void sublayout(int width, int height) { int x=0; int totalWidth = Display.getWidth(); for (int col = 0; col &lt; getFieldCount(); col++) { // Set the size and position of the current cell. Field curCellField = getField(col); XYPoint offset = calcAlignmentOffset(curCellField, Math.max(0,colWidthPercents[col]*totalWidth/100), Math.max(0, getPreferredHeight())); layoutChild(curCellField, width-x,getPreferredHeight()); setPositionChild(curCellField, x+offset.x, 0); x+=(int)Math.floor((colWidthPercents[col]*totalWidth)/100); } setExtent(Display.getWidth(), getPreferredHeight()); } public void drawRow(Graphics g, int x, int y, int width, int height) { layout(width, height); setPosition(x, y); g.pushRegion(getExtent()); subpaint(g); g.popContext(); } public int getPreferredWidth() { return Display.getWidth(); } public int getPreferredHeight() { return preferredHeight; } private XYPoint calcAlignmentOffset(Field field, int width, int height) { XYPoint offset = new XYPoint(0, 0); long fieldStyle = field.getStyle(); long field_x_style = fieldStyle &amp; Field.FIELD_HALIGN_MASK; if (field_x_style == Field.FIELD_RIGHT){ offset.x = width - field.getExtent().width; } else if (field_x_style == Field.FIELD_HCENTER){ offset.x = (width - field.getExtent().width) / 2; } long field_y_style = fieldStyle &amp; Field.FIELD_VALIGN_MASK; if (field_y_style == Field.FIELD_BOTTOM){ offset.y = height - field.getExtent().height; } else if (field_y_style == Field.FIELD_VCENTER){ offset.y = (height - field.getExtent().height) / 2; } return offset; } </code></pre> <p>}</p> <p>The problem is, the right alignment is only working for fields inside highlighted row or row which have been highlighted. I wonder where have I done wrong or missed in the above code. I'm in real desperate now as to any modification doesn't reflect what I want to accomplish.</p>
 

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