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Remove flexible utils

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Signed-off-by: Mario Danic <mario@lovelyhq.com>
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Mario Danic 2018-04-12 14:18:07 +02:00 committed by Niedermann IT-Dienstleistungen
parent e923c34225
commit c0080c11f9
1 changed files with 0 additions and 261 deletions
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app/src/main/java/it/niedermann/owncloud/notes/util/FlexibleUtils.java
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@ -1,261 +0,0 @@
/*
* Copyright 2016-2017 Davide Steduto
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package it.niedermann.owncloud.notes.util;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import android.support.annotation.ColorInt;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.Spannable;
import android.text.style.ForegroundColorSpan;
import android.text.style.StyleSpan;
import android.widget.TextView;
import java.util.Locale;
import it.niedermann.owncloud.notes.R;
/**
* @author Davide Steduto
* @since 27/01/2016 Created
* <br>17/12/2017 Moved into UI package
*/
@SuppressWarnings({"WeakerAccess", "unused", "ConstantConditions"})
public final class FlexibleUtils {
public static final String SPLIT_EXPRESSION = "([, ]+)";
public static final int INVALID_COLOR = -1;
public static int colorAccent = INVALID_COLOR;
/**
* API 26
*
* @see VERSION_CODES#O
*/
public static boolean hasOreo() {
return Build.VERSION.SDK_INT >= VERSION_CODES.O;
}
/**
* API 24
*
* @see VERSION_CODES#N
*/
public static boolean hasNougat() {
return Build.VERSION.SDK_INT >= VERSION_CODES.N;
}
/**
* API 23
*
* @see VERSION_CODES#M
*/
public static boolean hasMarshmallow() {
return Build.VERSION.SDK_INT >= VERSION_CODES.M;
}
/**
* API 21
*
* @see VERSION_CODES#LOLLIPOP
*/
public static boolean hasLollipop() {
return Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP;
}
/**
* API 16
*
* @see VERSION_CODES#JELLY_BEAN
*/
public static boolean hasJellyBean() {
return Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
}
/**
* @return the SimpleClassName of the provided object
* @since 5.0.0-rc1
*/
@NonNull
public static String getClassName(@Nullable Object o) {
return o == null ? "null" : o.getClass().getSimpleName();
}
/**
* Sets a spannable text with the accent color into the provided TextView.
* <p>Multiple matches will be highlighted, but if the 2nd match is consecutive,
* the highlight is skipped.</p>
* Internally calls {@link #fetchAccentColor(Context, int)}.
*
* @param textView the TextView to transform and which the originalText is assigned to
* @param originalText the original text which the transformation is applied to
* @param constraint the text to highlight
* @see #highlightText(TextView, String, String, int)
* @see #highlightWords(TextView, String, String)
* @since 5.0.0-rc1 Created
* <br>5.0.0-rc3 Multi-span
*/
public static void highlightText(@NonNull final TextView textView,
@Nullable final String originalText,
@Nullable String constraint) {
int accentColor = fetchAccentColor(textView.getContext(), 1);
highlightText(textView, originalText, constraint, accentColor);
}
/**
* Sets a spannable text with any highlight color into the provided TextView.
* <p>Multiple matches will be highlighted, but if the 2nd match is consecutive,
* the highlight is skipped.</p>
*
* @param textView the TextView to transform and which the originalText is assigned to
* @param originalText the original text which the transformation is applied to
* @param constraint the text to highlight
* @param color the highlight color
* @see #highlightText(TextView, String, String)
* @see #highlightWords(TextView, String, String, int)
* @since 5.0.0-rc1 Created
* <br>5.0.0-rc3 Multi-span
*/
public static void highlightText(@NonNull final TextView textView,
@Nullable final String originalText,
@Nullable String constraint,
@ColorInt int color) {
constraint = toLowerCase(constraint);
int start = toLowerCase(originalText).indexOf(constraint);
if (start != -1) {
Spannable spanText = Spannable.Factory.getInstance().newSpannable(originalText);
spanText(originalText, constraint, color, start, spanText);
textView.setText(spanText, TextView.BufferType.SPANNABLE);
} else {
textView.setText(originalText, TextView.BufferType.NORMAL);
}
}
/**
* Sets a spannable text with the accent color for <u>each word</u> provided by the
* constraint text into the provided TextView.
* <p><b>Note:</b>
* <ul>
* <li>Words are automatically split by {@code "([, ]+)"} regular expression.</li>
* <li>To Actually see the text highlighted, the filter must check words too.</li>
* <li>Internally calls {@link #fetchAccentColor(Context, int)}.</li></ul></p>
*
* @param textView the TextView to transform and which the originalText is assigned to
* @param originalText the original text which the transformation is applied to
* @param constraints the multiple words to highlight
* @see #highlightWords(TextView, String, String, int)
* @see #highlightText(TextView, String, String)
* @since 5.0.0-rc3
*/
public static void highlightWords(@NonNull final TextView textView,
@Nullable final String originalText,
@Nullable String constraints) {
int accentColor = fetchAccentColor(textView.getContext(), 1);
highlightWords(textView, originalText, constraints, accentColor);
}
/**
* Sets a spannable text with any highlight color for <u>each word</u> provided by the
* constraint text into the provided TextView.
* <p><b>Note:</b>
* <ul><li>Words are automatically split by {@code "([, ]+)"} regular expression.</li>
* <li>To Actually see the text highlighted, the filter must check words too.</li></ul></p>
*
* @param textView the TextView to transform and which the originalText is assigned to
* @param originalText the original text which the transformation is applied to
* @param constraints the multiple words to highlight
* @param color the highlight color
* @see #highlightWords(TextView, String, String)
* @see #highlightText(TextView, String, String, int)
* @since 5.0.0-rc3
*/
public static void highlightWords(@NonNull final TextView textView,
@Nullable final String originalText,
@Nullable String constraints,
@ColorInt int color) {
constraints = toLowerCase(constraints);
Spannable spanText = null;
for (String constraint : constraints.split(SPLIT_EXPRESSION)) {
int start = toLowerCase(originalText).indexOf(constraint);
if (start != -1) {
if (spanText == null) {
spanText = Spannable.Factory.getInstance().newSpannable(originalText);
}
spanText(originalText, constraint, color, start, spanText);
}
}
if (spanText != null) {
textView.setText(spanText, TextView.BufferType.SPANNABLE);
} else {
textView.setText(originalText, TextView.BufferType.NORMAL);
}
}
private static void spanText(@NonNull final String originalText,
@NonNull String constraint,
@ColorInt int color, int start,
@NonNull final Spannable spanText) {
do {
int end = start + constraint.length();
spanText.setSpan(new ForegroundColorSpan(color), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spanText.setSpan(new StyleSpan(Typeface.BOLD), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
start = toLowerCase(originalText).indexOf(constraint, end + 1); // +1 skips the consecutive span
} while (start != -1);
}
public static String toLowerCase(@Nullable String text) {
if (text == null) text = "";
return text.toLowerCase(Locale.getDefault());
}
/*------------------------------*/
/* ACCENT COLOR UTILITY METHODS */
/*------------------------------*/
/**
* Reset the internal accent color to {@link #INVALID_COLOR}, to give the possibility
* to re-fetch it at runtime, since once it is fetched it cannot be changed.
*/
public static void resetAccentColor() {
colorAccent = INVALID_COLOR;
}
/**
* Optimized method to fetch the accent color on devices with at least Lollipop.
* <p>If accent color has been already fetched it is simply returned.</p>
*
* @param context context
* @param defColor value to return if the accentColor cannot be found
*/
public static int fetchAccentColor(Context context, @ColorInt int defColor) {
if (colorAccent == INVALID_COLOR) {
int attr = R.attr.colorAccent;
if (hasLollipop()) attr = android.R.attr.colorAccent;
TypedArray androidAttr = context.getTheme().obtainStyledAttributes(new int[]{attr});
colorAccent = androidAttr.getColor(0, defColor);
androidAttr.recycle();
}
return colorAccent;
}
}