b/5233576 Fixed the problem where long desc are not showing
Change-Id: Ic12e5e0158021996d0b3822803a4dad8fb10d904
diff --git a/src/com/android/calendar/ExpandableTextView.java b/src/com/android/calendar/ExpandableTextView.java
new file mode 100644
index 0000000..026e3de
--- /dev/null
+++ b/src/com/android/calendar/ExpandableTextView.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.calendar;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ImageButton;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+public class ExpandableTextView extends LinearLayout implements OnClickListener {
+
+ TextView mTv;
+ ImageButton mButton; // Button to expand/collapse
+
+ private boolean mRelayout = false;
+ private boolean mCollapsed = true; // Show short version as default.
+ private int mMaxCollapsedLines = 8; // The default number of lines;
+ private Drawable mExpandDrawable;
+ private Drawable mCollapseDrawable;
+
+ public ExpandableTextView(Context context) {
+ super(context);
+ init();
+ }
+
+ public ExpandableTextView(Context context, AttributeSet attrs) {
+ super(context, attrs, 0);
+ init();
+ }
+
+ public ExpandableTextView(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ init();
+ }
+
+ void init() {
+ mMaxCollapsedLines = getResources().getInteger((R.integer.event_info_desc_line_num));
+ mExpandDrawable = getResources().getDrawable(R.drawable.ic_expand_small_holo_light);
+ mCollapseDrawable = getResources().getDrawable(R.drawable.ic_collapse_small_holo_light);
+ }
+
+ @Override
+ public void onClick(View v) {
+ if (mButton.getVisibility() != View.VISIBLE) {
+ return;
+ }
+
+ mCollapsed = !mCollapsed;
+ mButton.setImageDrawable(mCollapsed ? mExpandDrawable : mCollapseDrawable);
+ mTv.setMaxLines(mCollapsed ? mMaxCollapsedLines : Integer.MAX_VALUE);
+ }
+
+ @Override
+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+ // If no change, measure and return
+ if (!mRelayout || getVisibility() == View.GONE) {
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+ return;
+ }
+ mRelayout = false;
+
+ // Setup with optimistic case
+ // i.e. Everything fits. No button needed
+ mButton.setVisibility(View.GONE);
+ mTv.setMaxLines(Integer.MAX_VALUE);
+
+ // Measure
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+
+ // If the text fits in collapsed mode, we are done.
+ if (mTv.getLineCount() <= mMaxCollapsedLines) {
+ return;
+ }
+
+ // Doesn't fit in collapsed mode. Collapse text view as needed. Show
+ // button.
+ if (mCollapsed) {
+ mTv.setMaxLines(mMaxCollapsedLines);
+ }
+ mButton.setVisibility(View.VISIBLE);
+
+ // Re-measure with new setup
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+ }
+
+ private void findViews() {
+ mTv = (TextView) findViewById(R.id.expandable_text);
+ mTv.setOnClickListener(this);
+ mButton = (ImageButton) findViewById(R.id.expand_collapse);
+ mButton.setOnClickListener(this);
+ }
+
+ public void setText(String text) {
+ mRelayout = true;
+ if (mTv == null) {
+ findViews();
+ }
+ String trimmedText = text.trim();
+ mTv.setText(trimmedText);
+ this.setVisibility(trimmedText.length() == 0 ? View.GONE : View.VISIBLE);
+ }
+
+ public CharSequence getText() {
+ return mTv.getText();
+ }
+}