com.tr8n.android.tokenizers.SpannableStringTokenizer Maven / Gradle / Ivy
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/*
* Copyright (c) 2014 Michael Berkovich, http://tr8nhub.com All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.tr8n.android.tokenizers;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import android.graphics.Color;
import android.graphics.Typeface;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.AbsoluteSizeSpan;
import android.text.style.AlignmentSpan;
import android.text.style.BackgroundColorSpan;
import android.text.style.BulletSpan;
import android.text.style.ClickableSpan;
import android.text.style.DrawableMarginSpan;
import android.text.style.DynamicDrawableSpan;
import android.text.style.EasyEditSpan;
import android.text.style.ForegroundColorSpan;
import android.text.style.IconMarginSpan;
import android.text.style.ImageSpan;
import android.text.style.LeadingMarginSpan;
import android.text.style.LineBackgroundSpan;
import android.text.style.LineHeightSpan;
//import android.text.style.LocaleSpan;
import android.text.style.MaskFilterSpan;
import android.text.style.MetricAffectingSpan;
import android.text.style.QuoteSpan;
import android.text.style.RasterizerSpan;
import android.text.style.RelativeSizeSpan;
import android.text.style.ReplacementSpan;
import android.text.style.ScaleXSpan;
import android.text.style.StrikethroughSpan;
import android.text.style.StyleSpan;
import android.text.style.SubscriptSpan;
import android.text.style.SuggestionSpan;
import android.text.style.SuperscriptSpan;
import android.text.style.TabStopSpan;
import android.text.style.TextAppearanceSpan;
import android.text.style.TypefaceSpan;
import android.text.style.URLSpan;
import android.text.style.UnderlineSpan;
import android.text.style.WrapTogetherSpan;
import com.tr8n.core.tokenizers.StyledTokenizer;
public class SpannableStringTokenizer extends StyledTokenizer {
/**
*
* @param label
*/
public SpannableStringTokenizer(String label) {
this(label, null);
}
/**
*
* @param label
* @param allowedTokenNames
*/
public SpannableStringTokenizer(String label, List allowedTokenNames) {
super(label, allowedTokenNames);
}
protected Object createStyledString(String label) {
return new SpannableString(label);
}
protected void applyStyles(Object styledString, Map styles, List> ranges) {
Spannable spannable = (Spannable) styledString;
Iterator> entries = styles.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = entries.next();
String styleName = (String) entry.getKey();
Object styleAttributes = entry.getValue();
for (Map range : ranges) {
Integer start = (Integer) range.get(ATTRIBUTE_RANGE_ORIGIN);
Integer end = start + (Integer) range.get(ATTRIBUTE_RANGE_LENGTH);
if (styleName.equals("size")) {
addAbsoluteSizeSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("alignment")) {
addAlignmentSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("background") || styleName.equals("background-color")) {
addBackgroundColorSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("bullet")) {
addBulletSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("clickable")) {
addClickableSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("drawable-margin")) {
addDrawableMarginSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("dynamic-drawable")) {
addDynamicDrawableSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("easy-edit")) {
addEasyEditSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("color") || styleName.equals("foreground") || styleName.equals("foreground-color")) {
addForegroundColorSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("icon-margin")) {
addIconMarginSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("image")) {
addImageSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("leading-margin")) {
addLeadingMarginSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("line-background")) {
addLineBackgroundSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("line-height")) {
addLineHeightSpan(spannable, styleAttributes, start, end);
// } else if (styleName.equals("locale")) {
// addLocaleSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("mask-filter")) {
addMaskFilterSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("metric-affecting")) {
addMetricAffectingSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("quote")) {
addQuoteSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("rasterized")) {
addRasterizerSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("relative-size")) {
addRelativeSizeSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("replacement")) {
addReplacementSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("scale-x")) {
addScaleXSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("strikethrough")) {
addStrikethroughSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("style")) {
addStyleSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("subscript")) {
addSubscriptSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("suggestion")) {
addSuggestionSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("superscript")) {
addSuperscriptSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("tab-stop")) {
addTabStopSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("text-appearance")) {
addTextAppearanceSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("typeface")) {
addTypefaceSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("underline")) {
addUnderlineSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("url")) {
addUrlSpan(spannable, styleAttributes, start, end);
} else if (styleName.equals("wrap-together")) {
addWrapTogetherSpan(spannable, styleAttributes, start, end);
}
}
}
}
protected void addMaskFilterSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((MaskFilterSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addMetricAffectingSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((MetricAffectingSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addQuoteSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((QuoteSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addRasterizerSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((RasterizerSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addRelativeSizeSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((RelativeSizeSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addReplacementSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((ReplacementSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addScaleXSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((ScaleXSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addStrikethroughSpan(Spannable spannable, Object style, Integer start, Integer end) {
if (style instanceof StrikethroughSpan) {
spannable.setSpan((StrikethroughSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return;
}
spannable.setSpan(new StrikethroughSpan(), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addSubscriptSpan(Spannable spannable, Object style, Integer start, Integer end) {
if (style instanceof SubscriptSpan) {
spannable.setSpan((SubscriptSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return;
}
spannable.setSpan((SubscriptSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addSuggestionSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((SuggestionSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addSuperscriptSpan(Spannable spannable, Object style, Integer start, Integer end) {
if (style instanceof SuperscriptSpan) {
spannable.setSpan((SuperscriptSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return;
}
spannable.setSpan(new SuperscriptSpan(), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addTabStopSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((TabStopSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addTextAppearanceSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((TextAppearanceSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addUnderlineSpan(Spannable spannable, Object style, Integer start, Integer end) {
if (style instanceof UnderlineSpan) {
spannable.setSpan((UnderlineSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return;
}
spannable.setSpan(new UnderlineSpan(), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addUrlSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((URLSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addWrapTogetherSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((WrapTogetherSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
// protected void addLocaleSpan(Spannable spannable, Object style, Integer start, Integer end) {
// spannable.setSpan((LocaleSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
// }
protected void addLineHeightSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((LineHeightSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addLineBackgroundSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((LineBackgroundSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addLeadingMarginSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((LeadingMarginSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addEasyEditSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((EasyEditSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addDynamicDrawableSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((DynamicDrawableSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addAlignmentSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((AlignmentSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addImageSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((ImageSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addIconMarginSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((IconMarginSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addDrawableMarginSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((DrawableMarginSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addClickableSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan((ClickableSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected void addBulletSpan(Spannable spannable, Object style, Integer start, Integer end) {
if (style instanceof BulletSpan) {
spannable.setSpan((BulletSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return;
}
if (style instanceof Map) {
int gapWidth = BulletSpan.STANDARD_GAP_WIDTH;
int color = Color.BLACK;
Map attrs = (Map) style;
if (attrs.get("gap-width") != null)
gapWidth = (Integer) attrs.get("gap-width");
if (attrs.get("color") != null)
color = getColor(attrs.get("color"));
spannable.setSpan(new BulletSpan(gapWidth, color), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
}
protected void addForegroundColorSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan(new ForegroundColorSpan(getColor(style)), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addBackgroundColorSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan(new BackgroundColorSpan(getColor(style)), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected int getColor(Object color) {
if (color instanceof Integer)
return (Integer) color;
if (color.toString().startsWith("#"))
return Color.parseColor(color.toString());
if (color.equals("red")) return Color.RED;
if (color.equals("green")) return Color.GREEN;
if (color.equals("white")) return Color.WHITE;
if (color.equals("light-gray")) return Color.LTGRAY;
if (color.equals("gray")) return Color.GRAY;
if (color.equals("dark-gray")) return Color.DKGRAY;
if (color.equals("black")) return Color.BLACK;
if (color.equals("yellow")) return Color.YELLOW;
if (color.equals("magenta")) return Color.MAGENTA;
if (color.equals("cyan")) return Color.CYAN;
if (color.equals("blue")) return Color.BLUE;
if (color.equals("black")) return Color.BLACK;
if (color.equals("transparent")) return Color.TRANSPARENT;
return Color.BLACK;
}
protected void addAbsoluteSizeSpan(Spannable spannable, Object style, Integer start, Integer end) {
spannable.setSpan(new AbsoluteSizeSpan((Integer) style), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
protected void addTypefaceSpan(Spannable spannable, Object style, Integer start, Integer end) {
if (style instanceof TypefaceSpan) {
spannable.setSpan((TypefaceSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return;
}
if (style instanceof String) {
spannable.setSpan(new TypefaceSpan((String) style), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
}
protected void addStyleSpan(Spannable spannable, Object style, Integer start, Integer end) {
if (style instanceof StyleSpan) {
spannable.setSpan((StyleSpan) style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return;
}
if (style instanceof String) {
spannable.setSpan(new StyleSpan(getTypeface((String) style)), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
}
}
private int getTypeface(String style) {
if (style.equals("normal")) return Typeface.NORMAL;
if (style.equals("bold")) return Typeface.BOLD;
if (style.equals("italic")) return Typeface.ITALIC;
if (style.equals("bold_italic")) return Typeface.BOLD_ITALIC;
return Typeface.NORMAL;
}
}
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