private void addLineView(int l, int t, int r, int b) {
if (adapter.hasLineView()) {
lineView = adapter.getView(-2, -2, null, this);
lineView.layout(l, t, r, b);
addView(lineView, 0);
}
}
private View makeView(int row, int column, int w, int h) {
final int itemViewType = adapter.getItemViewType(row, column);
final View recycledView;
if (itemViewType == TableAdapter.IGNORE_ITEM_VIEW_TYPE) {
recycledView = null;
} else {
recycledView = recycler.getRecycledView(itemViewType);
}
final View view = adapter.getView(row, column, recycledView, this);
view.setTag(R.id.tag_type_view, itemViewType);
view.setTag(R.id.tag_row, row);
view.setTag(R.id.tag_column, column);
view.measure(
MeasureSpec.makeMeasureSpec(w, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(h, MeasureSpec.EXACTLY));
addTableView(view, row, column);
return view;
}
/**
* Sets the data behind this TableFixHeaders.
*
* @param adapter The TableAdapter which is responsible for maintaining the data backing this list
* and for producing a view to represent an item in that data set.
*/
public void setAdapter(TableAdapter adapter) {
if (this.adapter != null) {
this.adapter.unregisterDataSetObserver(tableAdapterDataSetObserver);
}
this.adapter = adapter;
tableAdapterDataSetObserver = new TableAdapterDataSetObserver();
this.adapter.registerDataSetObserver(tableAdapterDataSetObserver);
this.recycler = new Recycler(adapter.getViewTypeCount());
scrollX = 0;
scrollY = 0;
firstColumn = 0;
firstRow = 0;
needRelayout = true;
requestLayout();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
final int widthSize = MeasureSpec.getSize(widthMeasureSpec);
final int heightSize = MeasureSpec.getSize(heightMeasureSpec);
final int w;
final int h;
if (adapter != null) {
this.rowCount = adapter.getRowCount();
this.columnCount = adapter.getColumnCount();
widths = new int[columnCount + 1];
for (int i = -1; i < columnCount; i++) {
widths[i + 1] += adapter.getWidth(i);
}
heights = new int[rowCount + 1];
for (int i = -1; i < rowCount; i++) {
heights[i + 1] += adapter.getHeight(i);
}
if (widthMode == MeasureSpec.AT_MOST) {
w = Math.min(widthSize, sumArray(widths));
} else if (widthMode == MeasureSpec.UNSPECIFIED) {
w = sumArray(widths);
} else {
w = widthSize;
int sumArray = sumArray(widths);
if (sumArray < widthSize) {
final float factor = widthSize / (float) sumArray;
for (int i = 1; i < widths.length; i++) {
widths[i] = Math.round(widths[i] * factor);
}
widths[0] = widthSize - sumArray(widths, 1, widths.length - 1);
}
}
if (heightMode == MeasureSpec.AT_MOST) {
h = Math.min(heightSize, sumArray(heights));
} else if (heightMode == MeasureSpec.UNSPECIFIED) {
h = sumArray(heights);
} else {
h = heightSize;
}
} else {
if (heightMode == MeasureSpec.AT_MOST || widthMode == MeasureSpec.UNSPECIFIED) {
w = 0;
h = 0;
} else {
w = widthSize;
h = heightSize;
}
}
if (firstRow >= rowCount || getMaxScrollY() - getActualScrollY() < 0) {
firstRow = 0;
scrollY = Integer.MAX_VALUE;
}
if (firstColumn >= columnCount || getMaxScrollX() - getActualScrollX() < 0) {
firstColumn = 0;
scrollX = Integer.MAX_VALUE;
}
setMeasuredDimension(w, h);
}