diff options
Diffstat (limited to 'src/com/android/settings/cyanogenmod/DraggableGridView.java')
| -rw-r--r-- | src/com/android/settings/cyanogenmod/DraggableGridView.java | 153 |
1 files changed, 75 insertions, 78 deletions
diff --git a/src/com/android/settings/cyanogenmod/DraggableGridView.java b/src/com/android/settings/cyanogenmod/DraggableGridView.java index a0ac1bc..ed782fe 100644 --- a/src/com/android/settings/cyanogenmod/DraggableGridView.java +++ b/src/com/android/settings/cyanogenmod/DraggableGridView.java @@ -27,7 +27,8 @@ import android.graphics.PorterDuff.Mode; import android.os.Handler; import android.os.SystemClock; import android.util.AttributeSet; -import android.util.DisplayMetrics; +import android.view.View.MeasureSpec; +import android.view.View.OnClickListener; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.animation.AnimationSet; @@ -46,8 +47,7 @@ import com.android.settings.cyanogenmod.QuickSettingsTiles.OnRearrangeListener; public class DraggableGridView extends ViewGroup implements View.OnTouchListener, View.OnClickListener, View.OnLongClickListener { - public static float childRatio = .95f; - protected int colCount, childSize, padding, dpi, scroll = 0; + protected int colCount, childWidth, childHeight, cellGap, scroll = 0; protected float lastDelta = 0; protected Handler handler = new Handler(); protected int dragged = -1, lastX = -1, lastY = -1, lastTarget = -1; @@ -58,13 +58,14 @@ public class DraggableGridView extends ViewGroup implements protected OnClickListener secondaryOnClickListener; private OnItemClickListener onItemClickListener; + public DraggableGridView(Context context) { + super(context); + init(context); + } + public DraggableGridView(Context context, AttributeSet attrs) { super(context, attrs); - setListeners(); - setChildrenDrawingOrderEnabled(true); - DisplayMetrics metrics = new DisplayMetrics(); - ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(metrics); - dpi = metrics.densityDpi; + init(context); } protected void setListeners() { @@ -73,6 +74,26 @@ public class DraggableGridView extends ViewGroup implements setOnLongClickListener(this); } + private void init(Context context) { + setListeners(); + setChildrenDrawingOrderEnabled(true); + setClipChildren(false); + setClipToPadding(false); + colCount = 3; + } + + public void setColumnCount(int count) { + colCount = count; + } + + public void setCellHeight(int height) { + childHeight = height; + } + + public void setCellGap(int gap) { + cellGap = gap; + } + @Override public void setOnClickListener(OnClickListener l) { secondaryOnClickListener = l; @@ -81,9 +102,9 @@ public class DraggableGridView extends ViewGroup implements protected Runnable updateTask = new Runnable() { public void run() { if (dragged != -1) { - if (lastY < padding * 3 && scroll > 0) + if (lastY < cellGap * 3 && scroll > 0) scroll -= 20; - else if (lastY > getBottom() - getTop() - (padding * 3) + else if (lastY > getBottom() - getTop() - (cellGap * 3) && scroll < getMaxScroll()) scroll += 20; } else if (lastDelta != 0 && !touching) { @@ -120,22 +141,12 @@ public class DraggableGridView extends ViewGroup implements @Override protected void onLayout(boolean changed, int l, int t, int r, int b) { - // compute width of view, in dp - float w = (r - l) / (dpi / 160f); - - // determine number of columns, at least 2 - colCount = 3; - - // determine childSize and padding, in px - childSize = (r - l) / colCount; - childSize = Math.round(childSize * childRatio); - padding = ((r - l) - (childSize * colCount)) / (colCount + 1); - - for (int i = 0; i < getChildCount(); i++) { - if (i != dragged) { + int N = getChildCount(); + for (int i = 0; i < N; i++) { + View v = (View) getChildAt(i); + if (v.getVisibility() != GONE) { Point xy = getCoorFromIndex(i); - getChildAt(i).layout(xy.x, xy.y, xy.x + childSize, - xy.y + childSize); + v.layout(xy.x, xy.y, xy.x + v.getMeasuredWidth(), xy.y + v.getMeasuredHeight()); } } } @@ -144,46 +155,22 @@ public class DraggableGridView extends ViewGroup implements protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { // Calculate the cell width dynamically int width = MeasureSpec.getSize(widthMeasureSpec); - int height = MeasureSpec.getSize(heightMeasureSpec); - int availableWidth = (int) (width - getPaddingLeft() - - getPaddingRight() - (3 - 1) * 0); - float cellWidth = (float) Math.ceil(((float) availableWidth) / 3); + int availableWidth = (int) (width - getPaddingLeft() - getPaddingRight() - + (colCount - 1) * cellGap); + childWidth = (int) Math.ceil(((float) availableWidth) / colCount); // Update each of the children's widths accordingly to the cell width int N = getChildCount(); - int cellHeight = 0; - int cursor = 0; - for (int i = 0; i < N; ++i) { - // Update the child's width + for (int i = 0; i < N; i++) { View v = (View) getChildAt(i); + ViewGroup.LayoutParams lp = (ViewGroup.LayoutParams) v.getLayoutParams(); + lp.width = childWidth; + lp.height = childHeight; if (v.getVisibility() != View.GONE) { - ViewGroup.LayoutParams lp = (ViewGroup.LayoutParams) v - .getLayoutParams(); - int colSpan = 1; - lp.width = (int) ((colSpan * cellWidth) + (colSpan - 1) * 0); - - // Measure the child - int newWidthSpec = MeasureSpec.makeMeasureSpec(lp.width, - MeasureSpec.EXACTLY); - int newHeightSpec = MeasureSpec.makeMeasureSpec(lp.height, - MeasureSpec.EXACTLY); - v.measure(newWidthSpec, newHeightSpec); - - // Save the cell height - if (cellHeight <= 0) { - cellHeight = height; - } - cursor += colSpan; + measureChild(v,MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY), + MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.AT_MOST)); } } - - // Set the measured dimensions. We always fill the tray width, but wrap - // to the height of - // all the tiles. - int numRows = (int) Math.ceil((float) cursor / 3); - int newHeight = (int) ((numRows * cellHeight) + ((numRows - 1) * 0)) - + getPaddingTop() + getPaddingBottom(); - // setMeasuredDimension(width, newHeight); super.onMeasure(widthMeasureSpec, heightMeasureSpec); } @@ -199,7 +186,7 @@ public class DraggableGridView extends ViewGroup implements } public int getIndexFromCoor(int x, int y) { - int col = getColOrRowFromCoor(x), row = getColOrRowFromCoor(y + scroll); + int col = getColumnFromCoor(x), row = getRowFromCoor(y + scroll); if (col == -1 || row == -1) // touch is between columns or rows return -1; int index = row * colCount + col; @@ -208,22 +195,32 @@ public class DraggableGridView extends ViewGroup implements return index; } - protected int getColOrRowFromCoor(int coor) { - coor -= padding; + protected int getColumnFromCoor(int coor) { + coor -= cellGap; + for (int i = 0; coor > 0; i++) { + if (coor < childWidth) + return i; + coor -= (childWidth + cellGap); + } + return -1; + } + + protected int getRowFromCoor(int coor) { + coor -= cellGap; for (int i = 0; coor > 0; i++) { - if (coor < childSize) + if (coor < childHeight) return i; - coor -= (childSize + padding); + coor -= (childHeight + cellGap); } return -1; } protected int getTargetFromCoor(int x, int y) { - if (getColOrRowFromCoor(y + scroll) == -1) // touch is between rows + if (getRowFromCoor(y + scroll) == -1) // touch is between rows return -1; - int leftPos = getIndexFromCoor(x - (childSize / 4), y); - int rightPos = getIndexFromCoor(x + (childSize / 4), y); + int leftPos = getIndexFromCoor(x - (childWidth / 4), y); + int rightPos = getIndexFromCoor(x + (childWidth / 4), y); if (leftPos == -1 && rightPos == -1) // touch is in the middle of // nowhere return -1; @@ -244,8 +241,8 @@ public class DraggableGridView extends ViewGroup implements protected Point getCoorFromIndex(int index) { int col = index % colCount; int row = index / colCount; - return new Point(padding / 2 + (childSize + padding / 2) * col, padding - / 2 + (childSize + padding / 2) * row - scroll); + return new Point(cellGap / 2 + (childWidth + cellGap / 2) * col, cellGap + / 2 + (childHeight + cellGap / 2) * row - scroll); } public int getIndexOf(View child) { @@ -306,9 +303,9 @@ public class DraggableGridView extends ViewGroup implements if (dragged != -1) { // change draw location of dragged visual int x = (int) event.getX(), y = (int) event.getY(); - int l = x - (3 * childSize / 4), t = y - (3 * childSize / 4); - getChildAt(dragged).layout(l, t, l + (childSize * 3 / 2), - t + (childSize * 3 / 2)); + int l = x - (3 * childWidth / 4), t = y - (3 * childHeight / 4); + getChildAt(dragged).layout(l, t, l + (childWidth * 3 / 2), + t + (childHeight * 3 / 2)); // check for new target hover int target = getTargetFromCoor(x, y); @@ -346,7 +343,7 @@ public class DraggableGridView extends ViewGroup implements reorderChildren(true); else { Point xy = getCoorFromIndex(dragged); - v.layout(xy.x, xy.y, xy.x + childSize, xy.y + childSize); + v.layout(xy.x, xy.y, xy.x + childWidth, xy.y + childHeight); } v.clearAnimation(); if (v instanceof ImageView) @@ -374,13 +371,13 @@ public class DraggableGridView extends ViewGroup implements // EVENT HELPERS protected void animateDragged() { View v = getChildAt(dragged); - int x = getCoorFromIndex(dragged).x + childSize / 2, y = getCoorFromIndex(dragged).y - + childSize / 2; - int l = x - (3 * childSize / 4), t = y - (3 * childSize / 4); - v.layout(l, t, l + (childSize * 3 / 2), t + (childSize * 3 / 2)); + int x = getCoorFromIndex(dragged).x + childWidth / 2, y = getCoorFromIndex(dragged).y + + childWidth / 2; + int l = x - (3 * childWidth / 4), t = y - (3 * childHeight / 4); + v.layout(l, t, l + (childWidth * 3 / 2), t + (childHeight * 3 / 2)); AnimationSet animSet = new AnimationSet(true); ScaleAnimation scale = new ScaleAnimation(.667f, 1, .667f, 1, - childSize * 3 / 4, childSize * 3 / 4); + childWidth * 3 / 4, childHeight * 3 / 4); scale.setDuration(animT); AlphaAnimation alpha = new AlphaAnimation(1, .5f); alpha.setDuration(animT); @@ -495,7 +492,7 @@ public class DraggableGridView extends ViewGroup implements protected int getMaxScroll() { int rowCount = (int) Math.ceil((double) getChildCount() / colCount), max = rowCount - * childSize + (rowCount + 1) * padding - getHeight(); + * childHeight + (rowCount + 1) * cellGap - getHeight(); return max; } |