package org.maepaysoh.maepaysoh.ui.widget;
import android.content.Context;
import android.content.res.TypedArray;
import android.text.SpannableStringBuilder;
import android.util.AttributeSet;
import android.view.View;
import android.widget.TextView;
import org.maepaysoh.maepaysoh.R;
/**
* User: Bazlur Rahman Rokon
* Date: 9/7/13 - 3:33 AM
*/
public class ExpandableTextView extends TextView {
private static final int DEFAULT_TRIM_LENGTH = 200;
private static final String ELLIPSIS = ".....";
private CharSequence originalText;
private CharSequence trimmedText;
private BufferType bufferType;
private boolean trim = true;
private int trimLength;
public ExpandableTextView(Context context) {
this(context, null);
}
public ExpandableTextView(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.ExpandableTextView);
this.trimLength =
typedArray.getInt(R.styleable.ExpandableTextView_trimLength, DEFAULT_TRIM_LENGTH);
typedArray.recycle();
setOnClickListener(new OnClickListener() {
@Override public void onClick(View v) {
trim = !trim;
setText();
}
});
}
private void setText() {
super.setText(getDisplayableText(), bufferType);
}
private CharSequence getDisplayableText() {
return trim ? trimmedText : originalText;
}
@Override public void setText(CharSequence text, BufferType type) {
originalText = text;
trimmedText = getTrimmedText(text);
bufferType = type;
setText();
}
private CharSequence getTrimmedText(CharSequence text) {
if (originalText != null && originalText.length() > trimLength) {
return new SpannableStringBuilder(originalText, 0, trimLength + 1).append(ELLIPSIS);
} else {
return originalText;
}
}
public CharSequence getOriginalText() {
return originalText;
}
public int getTrimLength() {
return trimLength;
}
public void setTrimLength(int trimLength) {
this.trimLength = trimLength;
trimmedText = getTrimmedText(originalText);
setText();
}
}