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/* -*- 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);
}
}
}
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