mobile/android/base/widget/EllipsisTextView.java

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 package org.mozilla.gecko.widget;
michael@0 7
michael@0 8 import org.mozilla.gecko.R;
michael@0 9
michael@0 10 import android.content.Context;
michael@0 11 import android.content.res.TypedArray;
michael@0 12 import android.util.AttributeSet;
michael@0 13 import android.widget.TextView;
michael@0 14
michael@0 15 /**
michael@0 16 * Text view that correctly handles maxLines and ellipsizing for Android < 2.3.
michael@0 17 */
michael@0 18 public class EllipsisTextView extends TextView {
michael@0 19 private final String ellipsis;
michael@0 20
michael@0 21 private int maxLines;
michael@0 22 private CharSequence originalText;
michael@0 23
michael@0 24 public EllipsisTextView(Context context) {
michael@0 25 this(context, null);
michael@0 26 }
michael@0 27
michael@0 28 public EllipsisTextView(Context context, AttributeSet attrs) {
michael@0 29 this(context, attrs, android.R.attr.textViewStyle);
michael@0 30 }
michael@0 31
michael@0 32 public EllipsisTextView(Context context, AttributeSet attrs, int defStyle) {
michael@0 33 super(context, attrs, defStyle);
michael@0 34
michael@0 35 ellipsis = getResources().getString(R.string.ellipsis);
michael@0 36
michael@0 37 TypedArray a = context.getTheme()
michael@0 38 .obtainStyledAttributes(attrs, R.styleable.EllipsisTextView, 0, 0);
michael@0 39 maxLines = a.getInteger(R.styleable.EllipsisTextView_ellipsizeAtLine, 1);
michael@0 40 a.recycle();
michael@0 41 }
michael@0 42
michael@0 43 public void setOriginalText(CharSequence text) {
michael@0 44 originalText = text;
michael@0 45 setText(text);
michael@0 46 }
michael@0 47
michael@0 48 @Override
michael@0 49 public void onLayout(boolean changed, int left, int top, int right, int bottom) {
michael@0 50 super.onLayout(changed, left, top, right, bottom);
michael@0 51
michael@0 52 // There is extra space, start over with the original text
michael@0 53 if (getLineCount() < maxLines) {
michael@0 54 setText(originalText);
michael@0 55 }
michael@0 56
michael@0 57 // If we are over the max line attribute, ellipsize
michael@0 58 if (getLineCount() > maxLines) {
michael@0 59 final int endIndex = getLayout().getLineEnd(maxLines - 1) - 1 - ellipsis.length();
michael@0 60 final String text = getText().subSequence(0, endIndex) + ellipsis;
michael@0 61 // Make sure that we don't change originalText
michael@0 62 setText(text);
michael@0 63 }
michael@0 64 }
michael@0 65 }

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