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multiline text display

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This commit is contained in:
serso 2011-11-02 13:45:40 +04:00
parent e6f02e0a03
commit 0fa1b6a16a
1 changed files with 13 additions and 11 deletions
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24
src/main/java/org/solovyev/android/view/AutoResizeTextView.java
View File

@ -12,6 +12,7 @@ import android.text.Layout.Alignment;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.TextView;
/**
@ -56,8 +57,6 @@ public class AutoResizeTextView extends TextView {
// Add ellipsis to text that overflows at the smallest text size
private boolean addEllipsis = true;
private float textSizeStartPoint = MIN_TEXT_SIZE;
// Default constructor override
public AutoResizeTextView(Context context) {
this(context, null);
@ -164,7 +163,7 @@ public class AutoResizeTextView extends TextView {
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
if (changed || needsResize) {
resizeText(right - left, bottom - top);
resizeText(right - left, bottom - top, getText());
}
super.onLayout(changed, left, top, right, bottom);
}
@ -173,9 +172,13 @@ public class AutoResizeTextView extends TextView {
* Resize the text size with default width and height
*/
public void resizeText() {
resizeText(getText());
}
public void resizeText(final CharSequence text) {
int heightLimit = getHeight() - getPaddingBottom() - getPaddingTop();
int widthLimit = getWidth() - getPaddingLeft() - getPaddingRight();
resizeText(widthLimit, heightLimit);
resizeText(widthLimit, heightLimit, text);
}
/**
@ -183,9 +186,10 @@ public class AutoResizeTextView extends TextView {
*
* @param width
* @param height
* @param text
*/
public void resizeText(int width, int height) {
CharSequence text = getText();
public void resizeText(int width, int height, final CharSequence text) {
// Do not resize if the view does not have dimensions or there is no text
if (text == null || text.length() == 0 || height <= 0 || width <= 0) {
return;
@ -198,7 +202,7 @@ public class AutoResizeTextView extends TextView {
float oldTextSize = textPaint.getTextSize();
// If there is a max text size set, use the lesser of that and the default text size
float newTextSize = textSizeStartPoint;
float newTextSize = 100;
// Get the required text height
int newTextHeight = getTextRect(text, textPaint, width, newTextSize);
@ -209,7 +213,7 @@ public class AutoResizeTextView extends TextView {
if (newTextSize <= minTextSize) {
break;
}
newTextSize = Math.max(newTextSize - 1, minTextSize);
newTextSize = Math.max(newTextSize - 2, minTextSize);
newTextHeight = getTextRect(text, textPaint, width, newTextSize);
}
} else {
@ -217,13 +221,11 @@ public class AutoResizeTextView extends TextView {
if (newTextSize <= minTextSize) {
break;
}
newTextSize = Math.max(newTextSize + 1, minTextSize);
newTextSize = Math.max(newTextSize + 2, minTextSize);
newTextHeight = getTextRect(text, textPaint, width, newTextSize);
}
}
textSizeStartPoint = newTextSize;
// If we had reached our minimum text size and still don't fit, append an ellipsis
if (addEllipsis && newTextSize == minTextSize && newTextHeight > height) {
// Draw using a static layout