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bugfix in the ParseTreeView

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kr.angelov
2014-07-03 18:09:34 +00:00
parent 71b82c88a3
commit dde3e1ee73
1 changed files with 22 additions and 12 deletions
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34
src/ui/android/src/org/grammaticalframework/ui/android/ParseTreeView.java
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@@ -59,8 +59,9 @@ public class ParseTreeView extends View {
private MeasureResult mr = new MeasureResult();
private SparseArray<PointF> coords = new SparseArray<PointF>();
private PointF zeroPoint = new PointF();
private void measureTree(Object o, PointF zeroPoint) {
private void measureTree(Object o) {
if (o instanceof Bracket) {
Bracket bracket = (Bracket) o;
@@ -72,8 +73,7 @@ public class ParseTreeView extends View {
PointF local = coords.get(bracket.fid);
if (local == null) {
if (zeroPoint != null)
coords.put(bracket.fid, zeroPoint);
coords.put(bracket.fid, zeroPoint);
} else {
localWidth = 0;
}
@@ -82,7 +82,7 @@ public class ParseTreeView extends View {
float subHeight = 0.0f;
float nodeCenter = 0.0f;
for (int i = 0; i < bracket.children.length; i++) {
measureTree(bracket.children[i], zeroPoint);
measureTree(bracket.children[i]);
if (i == 0) {
nodeCenter += (subWidth + mr.nodeCenter) / 2.0;
@@ -134,11 +134,12 @@ public class ParseTreeView extends View {
return;
}
coords.clear();
float width = 0.0f;
float height = 0.0f;
PointF zeroPoint = new PointF();
for (int i = 0; i < brackets.length; i++) {
measureTree(brackets[i], zeroPoint);
measureTree(brackets[i]);
width += mr.width;
if (i < brackets.length - 1) {
@@ -154,7 +155,7 @@ public class ParseTreeView extends View {
int w = getPaddingLeft() + (int) width + getPaddingRight();
int h = getPaddingTop() + (int) height + getPaddingBottom();
scrollRange = w+80;
scrollRange = w;
int widthReq = MeasureSpec.getSize(widthMeasureSpec);
if (MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY ||
@@ -196,7 +197,9 @@ public class ParseTreeView extends View {
float childStartY = y + layerHeight;
for (int i = 0; i < bracket.children.length; i++) {
Object child = bracket.children[i];
measureTree(child, null);
SparseArray<PointF> copy = coords.clone();
measureTree(child);
coords = copy;
float w = mr.width;
drawTree(canvas, childStartX, childStartY, bottom, lineStart, child);
childStartX += w + SISTER_SKIP;
@@ -223,7 +226,9 @@ public class ParseTreeView extends View {
for (int i = 0; i < brackets.length; i++) {
Object child = brackets[i];
measureTree(child, null);
SparseArray<PointF> copy = coords.clone();
measureTree(child);
coords = copy;
float w = mr.width;
drawTree(canvas, startX, getPaddingTop(), getPaddingTop()+mr.height, null, child);
startX += w + SISTER_SKIP;
@@ -242,10 +247,15 @@ public class ParseTreeView extends View {
float x = ev.getX();
final int deltaX = (int) (lastMotionX - x);
lastMotionX = x;
final int offset = computeHorizontalScrollOffset() + deltaX;
final int range = computeHorizontalScrollRange() - computeHorizontalScrollExtent();
if (range > 0 && offset > 0 && offset < range)
int offset = computeHorizontalScrollOffset() + deltaX;
int range = computeHorizontalScrollRange() - computeHorizontalScrollExtent();
if (range > 0) {
if (offset < 0)
offset = 0;
if (offset > range)
offset = range;
scrollTo(offset, 0);
}
break;
case MotionEvent.ACTION_UP:
break;