diff options
Diffstat (limited to 'mobile/android/base/java/org/mozilla/gecko/widget/EllipsisTextView.java')
-rw-r--r-- | mobile/android/base/java/org/mozilla/gecko/widget/EllipsisTextView.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/widget/EllipsisTextView.java b/mobile/android/base/java/org/mozilla/gecko/widget/EllipsisTextView.java new file mode 100644 index 000000000..44f88e668 --- /dev/null +++ b/mobile/android/base/java/org/mozilla/gecko/widget/EllipsisTextView.java @@ -0,0 +1,65 @@ +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +package org.mozilla.gecko.widget; + +import org.mozilla.gecko.R; + +import android.content.Context; +import android.content.res.TypedArray; +import android.util.AttributeSet; +import android.widget.TextView; + +/** + * Text view that correctly handles maxLines and ellipsizing for Android < 2.3. + */ +public class EllipsisTextView extends TextView { + private final String ellipsis; + + private final int maxLines; + private CharSequence originalText; + + public EllipsisTextView(Context context) { + this(context, null); + } + + public EllipsisTextView(Context context, AttributeSet attrs) { + this(context, attrs, android.R.attr.textViewStyle); + } + + public EllipsisTextView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + + ellipsis = getResources().getString(R.string.ellipsis); + + TypedArray a = context.getTheme() + .obtainStyledAttributes(attrs, R.styleable.EllipsisTextView, 0, 0); + maxLines = a.getInteger(R.styleable.EllipsisTextView_ellipsizeAtLine, 1); + a.recycle(); + } + + public void setOriginalText(CharSequence text) { + originalText = text; + setText(text); + } + + @Override + public void onLayout(boolean changed, int left, int top, int right, int bottom) { + super.onLayout(changed, left, top, right, bottom); + + // There is extra space, start over with the original text + if (getLineCount() < maxLines) { + setText(originalText); + } + + // If we are over the max line attribute, ellipsize + if (getLineCount() > maxLines) { + final int endIndex = getLayout().getLineEnd(maxLines - 1) - 1 - ellipsis.length(); + final String text = getText().subSequence(0, endIndex) + ellipsis; + // Make sure that we don't change originalText + setText(text); + } + } +} |