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package de.thedevstack.conversationsplus.utils.ui;
import android.support.annotation.ColorRes;
import android.support.annotation.IdRes;
import android.support.annotation.StringRes;
import android.text.util.Linkify;
import android.util.Patterns;
import android.view.View;
import android.widget.TextView;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import de.thedevstack.conversationsplus.ConversationsPlusColors;
/**
*
*/
public final class TextViewUtil extends ViewUtil {
public static void linkifyXmpp(TextView tv) {
int patternMatchCount = 0;
int oldAutoLinkMask = tv.getAutoLinkMask();
CharSequence body = tv.getText();
// first check if we have a match on XMPP_PATTERN so we do not have to check for EMAIL_ADDRESSES
patternMatchCount += countMatches(XMPP_PATTERN, body);
if ((Linkify.EMAIL_ADDRESSES & oldAutoLinkMask) != 0 && patternMatchCount > 0) {
oldAutoLinkMask -= Linkify.EMAIL_ADDRESSES;
}
// count matches for all patterns
if ((Linkify.WEB_URLS & oldAutoLinkMask) != 0) {
patternMatchCount += countMatches(Patterns.WEB_URL, body);
}
if ((Linkify.EMAIL_ADDRESSES & oldAutoLinkMask) != 0) {
patternMatchCount += countMatches(Patterns.EMAIL_ADDRESS, body);
}
if ((Linkify.PHONE_NUMBERS & oldAutoLinkMask) != 0) {
patternMatchCount += countMatches(Patterns.PHONE, body);
}
tv.setTextIsSelectable(patternMatchCount <= 1);
tv.setAutoLinkMask(0);
Linkify.addLinks(tv, XMPP_PATTERN, "xmpp");
tv.setAutoLinkMask(oldAutoLinkMask);
}
public static void setTextWithoutAutoLink(TextView tv, CharSequence text) {
int oldAutoLinkMask = tv.getAutoLinkMask();
tv.setAutoLinkMask(0);
tv.setText(text);
tv.setAutoLinkMask(oldAutoLinkMask);
}
public static TextView showAndSetText(TextView tv, CharSequence text) {
visible(tv);
return setText(tv, text);
}
public static TextView showAndSetText(TextView tv, int textResId) {
visible(tv);
return setText(tv, textResId);
}
public static TextView setText(TextView tv, CharSequence text) {
if (null != tv) {
tv.setText(text);
}
return tv;
}
public static TextView setText(TextView tv, int textResId) {
if (null != tv) {
tv.setText(textResId);
}
return tv;
}
public static TextView setText(View parentView, int textViewId, CharSequence text) {
return setText((TextView) parentView.findViewById(textViewId), text);
}
public static TextView setText(View parentView, int textViewId, int textResId) {
return setText((TextView) parentView.findViewById(textViewId), textResId);
}
public static void enable(TextView tv) {
setColorEnabledAndTextResId(tv, null, true, null);
}
public static void enable(TextView tv, String text) {
setColorEnabledAndText(tv, null, true, text);
}
public static void enable(TextView tv, Integer color) {
setColorEnabledAndTextResId(tv, color, true, null);
}
public static void enable(TextView tv, Integer color, @StringRes Integer resid) {
setColorEnabledAndTextResId(tv, color, true, resid);
}
public static void disable(TextView tv) {
setColorEnabledAndTextResId(tv, null, false, null);
}
public static void disable(TextView tv, String text) {
setColorEnabledAndText(tv, null, false, text);
}
public static void disable(TextView tv, Integer color) {
setColorEnabledAndTextResId(tv, color, false, null);
}
public static void disable(TextView tv, Integer color, @StringRes Integer resid) {
setColorEnabledAndTextResId(tv, color, false, resid);
}
public static void setColor(TextView tv, Integer color) {
setColorByIdEnabledAndTextResId(tv, color, null, null);
}
private static void setColorByIdEnabledAndTextResId(TextView tv, @ColorRes Integer colorResId, Boolean enabled, @StringRes Integer resid) {
Integer color = null;
if (null != colorResId) {
color = ConversationsPlusColors.byId(colorResId);
}
setColorEnabledAndTextResId(tv, color, enabled, resid);
}
public static void setColorEnabledAndTextResId(TextView tv, Integer color, Boolean enabled, @StringRes Integer resid) {
if (null != color) {
tv.setTextColor(color);
}
if (enabled != null) {
tv.setEnabled(enabled);
}
if (resid != null) {
setText(tv, resid);
}
}
public static void setColorEnabledAndText(TextView tv, Integer color, Boolean enabled, String text) {
if (null != color) {
tv.setTextColor(color);
}
if (enabled != null) {
tv.setEnabled(enabled);
}
if (text != null) {
setText(tv, text);
}
}
/**
* Counts the number of occurrences of the pattern in body.
*
* @param pattern the pattern to match
* @param body the body to find the pattern
* @return the number of occurrences
*/
private static int countMatches(Pattern pattern, CharSequence body) {
Matcher matcher = pattern.matcher(body);
int count = 0;
while (matcher.find()) {
count++;
}
return count;
}
private static final Pattern XMPP_PATTERN = Pattern
.compile("xmpp\\:(?:(?:["
+ Patterns.GOOD_IRI_CHAR
+ "\\;\\/\\?\\@\\&\\=\\#\\~\\-\\.\\+\\!\\*\\'\\(\\)\\,\\_])"
+ "|(?:\\%[a-fA-F0-9]{2}))+");
private TextViewUtil() {
// avoid instantiation - helper class
}
}
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