Blackberry 自定义列表字段不';我画得不对
我使用BSimpleTable添加了一个自定义listfield组件,我从这里获得: 不幸的是,该组件不支持内部字段的正确对齐,因此我尝试通过修改代码来添加它,如下所示:Blackberry 自定义列表字段不';我画得不对,blackberry,alignment,listfield,Blackberry,Alignment,Listfield,我使用BSimpleTable添加了一个自定义listfield组件,我从这里获得: 不幸的是,该组件不支持内部字段的正确对齐,因此我尝试通过修改代码来添加它,如下所示: public class BSimpleRowRenderer extends Manager{ private int[] colWidthPercents; private int[] cellFrontPaddings; private int preferredHeight; public BSimpleRowRen
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 < rowContents.length; col++) {
add(rowContents[col]);
}
this.colWidthPercents = new int[rowContents.length];
for(int i=0;i<colWidthPercents.length;i++){
this.colWidthPercents[i] = colWidthPercents[i];
}
this.cellFrontPaddings = new int[rowContents.length];
for(int i=0;i<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 < 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 & 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 & 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;
}
public类bsimplerowrender扩展管理器{
私有int[]冷宽百分比;
私家围板;
私人身高;
公共BSimpleRowRenderer(长样式,字段[]行内容,int首选高度,
int[]冷宽百分比,int[]单元正面填充){
超级(风格);
for(int col=0;col 对于(int i=0;i如果表是您需要的,那么您可以尝试以下方法:。它对我非常有效。谢谢您的回答,但更改组件是我最不想做的事情,当前组件已经足够好了,只是缺少正确的对齐支持。无论如何,谢谢。