-
- *
- SyntaxHighlight - *
- LinkSpan.Resolver - *
- ImageDestinationProcessor - *
- ImageSizeResolver - *
- * In order to customize them a custom plugin should be used
- */
- private void linkWithMovementMethod() {
-
- final String markdown = "[a link without scheme](github.com)";
-
- final Markwon markwon = Markwon.builder(this)
- // please note that Markwon does not handle MovementMethod,
- // so if your markdown has links your should apply MovementMethod manually
- // or use MovementMethodPlugin (which uses system LinkMovementMethod by default)
- .usePlugin(MovementMethodPlugin.create())
- .usePlugin(new AbstractMarkwonPlugin() {
- @Override
- public void configureConfiguration(@NonNull MarkwonConfiguration.Builder builder) {
- // for example if specified destination has no scheme info, we will
- // _assume_ that it's network request and append HTTPS scheme
- builder.linkResolver(new LinkResolverDef() {
- @Override
- public void resolve(@NonNull View view, @NonNull String link) {
- final String destination;
- final Uri uri = Uri.parse(link);
- if (TextUtils.isEmpty(uri.getScheme())) {
- destination = "https://" + link;
- } else {
- destination = link;
- }
- super.resolve(view, destination);
- }
- });
- }
- })
- .build();
-
- markwon.setMarkdown(textView, markdown);
- }
-
- /**
- * Images configuration. Can be used with (or without) ImagesPlugin, which does some basic
- * images handling (parsing markdown containing images, obtain an image from network
- * file system or assets). Please note that
- */
- private void imagesPlugin() {
-
- final String markdown = "";
-
- final Markwon markwon = Markwon.builder(this)
- .usePlugin(ImagesPlugin.create())
- .usePlugin(new AbstractMarkwonPlugin() {
- @Override
- public void configure(@NonNull Registry registry) {
-
- // use registry.require to obtain a plugin, does also
- // a runtime validation if this plugin is registered
- registry.require(ImagesPlugin.class, plugin -> plugin.addSchemeHandler(new SchemeHandler() {
-
- // it's a sample only, most likely you won't need to
- // use existing scheme-handler, this for demonstration purposes only
- final NetworkSchemeHandler handler = NetworkSchemeHandler.create();
-
- @NonNull
- @Override
- public ImageItem handle(@NonNull String raw, @NonNull Uri uri) {
- final String url = raw.replace("myownscheme", "https");
- return handler.handle(url, Uri.parse(url));
- }
-
- @NonNull
- @Override
- public Collection
- * and basic core functionality:
- *
- * Please note that some features won't work unless they are used in a TextView context. For example
- * there might be misplaced ordered lists (ordered list must have TextPaint in order to properly measure
- * its number). But also images and tables (they belong to independent modules now). Images and tables
- * are using some work-arounds in order to be displayed in relatively limited context without proper way
- * of invalidation. But if a Toast for example is created with a custom view
- * ({@code new Toast(this).setView(...) }) and has access to a TextView everything should work.
- */
- private void toast() {
-
- final String markdown = "*Toast* __here__!\n\n> And a quote!";
-
- final Markwon markwon = Markwon.create(this);
-
- final Spanned spanned = markwon.toMarkdown(markdown);
-
- Toast.makeText(this, spanned, Toast.LENGTH_LONG).show();
- }
-
- /**
- * To apply already parsed markdown use {@link Markwon#setParsedMarkdown(TextView, Spanned)}
- */
- private void alreadyParsed() {
-
- final String markdown = "This **is** pre-parsed [markdown](#)";
-
- final Markwon markwon = Markwon.create(this);
-
- // parse markdown to obtain a Node
- final Node node = markwon.parse(markdown);
-
- // create a spanned content from parsed node
- final Spanned spanned = markwon.render(node);
-
- // apply parsed markdown
- markwon.setParsedMarkdown(textView, spanned);
- }
-
- private void enabledBlockTypes() {
-
- final String md = "" +
- "# Head\n\n" +
- "> and disabled quote\n\n" +
- "```\n" +
- "yep\n" +
- "```";
-
- final Set
- * Failed attempt to create elegant underline as a span
- * Switch owners will soon get to take part in the ultimate Shonen Jump rumble. Bandai Namco announced plans to bring Jump Force to Switch as Jump Force Deluxe Edition, with a release set for sometime this year. This version will include all of the original playable characters and those from Character Pass 1, and Character Pass 2 is also in the works for all versions, starting with Shoto Todoroki from My Hero Academia. Other than Todoroki, Bandai Namco hinted that the four other Character Pass 2 characters will hail from Hunter x Hunter, Yu Yu Hakusho, Bleach, and JoJo's Bizarre Adventure. Character Pass 2 will be priced at $17.99, and Todoroki launches this spring. Character Pass 2 promo: ------- Joseph Luster is the Games and Web editor at Otaku USA Magazine. You can read his webcomic, BIG DUMB FIGHTING IDIOTS at subhumanzoids. Follow him on Twitter @Moldilox. According to The Recording Industry Association of Japan (RIAJ)'s monthly report for April 2020, one of the As a double A-side single with \"Akai Wana (who loves it?),\" \"ADAMAS\" was\n" +
- " released from SACRA Music in Japan on December 12, 2018. Its CD single ranked second in Oricon's weekly single\n" +
- " chart by selling 35,000 copies in its first week. Meanwhile, the song was released digitally two months prior to\n" +
- " its CD release, October 8, then reached Gold (100,000 downloads) in the following month. \"ADAMAS\" MV YouTube EDIT ver.: \n" +
- " Standard edition CD jacket: Source: RIAJ press release ©SACRA MUSIC \n\n" +
- "\n" +
- "## *formatted* **heading** with [a](link)\n" +
- "```java\n" +
- "code block\n" +
- "```\n" +
- "\n" +
- " \n" +
- "\n" +
- "\n" +
- "* list\n" +
- "* with\n" +
- "\n\n" +
- "\n\n" +
- " 1. nested\n" +
- " 1. items\n" +
- "\n" +
- " ```java\n" +
- " // including code\n" +
- " ```\n" +
- " 1. blocks\n" +
- "\n" +
- " paragraph paragraph
- *
- *
- *
- */
- private void step_1() {
-
- // short call
- final Markwon markwon = Markwon.create(this);
-
- // this is the same as calling
- final Markwon markwon2 = Markwon.builder(this)
- .usePlugin(CorePlugin.create())
- .build();
- }
-
- /**
- * To simply apply raw (non-parsed) markdown call {@link Markwon#setMarkdown(TextView, String)}
- */
- private void simple() {
-
- // this is raw markdown
- final String markdown = "Hello **markdown**!";
-
- final Markwon markwon = Markwon.create(this);
-
- // this will parse raw markdown and set parsed content to specified TextView
- markwon.setMarkdown(textView, markdown);
- }
-
- /**
- * To apply markdown in a different context (other than textView) use {@link Markwon#toMarkdown(String)}
- *
- *
- */
-// will apply other spans that 100% contain this one, so for example if
-// an underline that inside some other spans (different typeface), they won't be applied and thus
-// underline would be incorrect
-// do not use in editor, due to some obscure thing, LineBackgroundSpan would be applied to the first line only
-// also, in editor this span would be redrawn with each blink of the cursor
-@RequiresApi(Build.VERSION_CODES.KITKAT)
-class ElegantUnderlineSpan implements LineBackgroundSpan {
-
- private static final float DEFAULT_UNDERLINE_HEIGHT_DIP = 0.8F;
- private static final float DEFAULT_UNDERLINE_CLEAR_GAP_DIP = 5.5F;
-
- @NonNull
- public static ElegantUnderlineSpan create() {
- return new ElegantUnderlineSpan(0, 0);
- }
-
- @NonNull
- public static ElegantUnderlineSpan create(@Px int underlineHeight) {
- return new ElegantUnderlineSpan(underlineHeight, 0);
- }
-
- @NonNull
- public static ElegantUnderlineSpan create(@Px int underlineHeight, @Px int underlineClearGap) {
- return new ElegantUnderlineSpan(underlineHeight, underlineClearGap);
- }
-
- // TODO: underline color?
- private final int underlineHeight;
- private final int underlineClearGap;
-
- private final Path underline = new Path();
- private final Path outline = new Path();
- private final Paint stroke = new Paint();
- private final Path strokedOutline = new Path();
-
- private final CharCache charCache = new CharCache();
-
- private final TextPaint tempTextPaint = new TextPaint();
-
- protected ElegantUnderlineSpan(@Px int underlineHeight, @Px int underlineClearGap) {
- this.underlineHeight = underlineHeight;
- this.underlineClearGap = underlineClearGap;
- stroke.setStyle(Paint.Style.FILL_AND_STROKE);
- stroke.setStrokeCap(Paint.Cap.BUTT);
- }
-
- // is it possible that LineBackgroundSpan is not receiving proper spans? like typeface?
- // it complicates things (like the need to have own copy of paint)
-
- // is it possible that LineBackgroundSpan is called constantly even in a TextView?
-
- @Override
- public void drawBackground(
- Canvas c,
- Paint p,
- int left,
- int right,
- int top,
- int baseline,
- int bottom,
- CharSequence text,
- int start,
- int end,
- int lnum
- ) {
-
-// Debug.trace();
-
- final Spanned spanned = (Spanned) text;
- final TextView textView = TextViewSpan.textViewOf(spanned);
-
- if (textView == null) {
- // TextView is required
- Log.e("EU", "no text view");
- return;
- }
-
- final Layout layout;
- {
- // check if there is dedicated layout, if not, use from textView
- // (think tableRowSpan that uses own Layout)
- final Layout layoutFromSpan = TextLayoutSpan.layoutOf(spanned);
- if (layoutFromSpan != null) {
- layout = layoutFromSpan;
- } else {
- layout = textView.getLayout();
- }
- }
-
- if (layout == null) {
- // we could call `p.setUnderlineText(true)` here a fallback,
- // but this would make __all__ text in a TextView underlined, which is not
- // what we want
- Log.e("EU", "no layout");
- return;
- }
-
- tempTextPaint.set((TextPaint) p);
-
- // we must use _selfStart_ because underline can start **not** at the beginning of a line.
- // as we are using LineBackground `start` would indicate the start position of the line
- // and not start of the span (self). The same goes for selfEnd (ended before line)
- final int selfStart = spanned.getSpanStart(this);
- final int selfEnd = spanned.getSpanEnd(this);
-
- final int s = max(selfStart, start);
-
- // all lines should use (end - 1) to receive proper line end coordinate X,
- // unless it is last line in _layout_
- final boolean isLastLine = lnum == (layout.getLineCount() - 1);
- final int e = min(selfEnd, end - (isLastLine ? 0 : 1));
-
- if (true) {
- Log.e("EU", String.format("lnum: %s, hash: %s, text: '%s'",
- lnum, text.subSequence(s, e).hashCode(), text.subSequence(s, e)));
- }
-
- final int leading;
- final int trailing;
- {
- final int l = (int) (layout.getPrimaryHorizontal(s) + .5F);
- final int r = (int) (layout.getPrimaryHorizontal(e) + .5F);
- leading = min(l, r);
- trailing = max(l, r);
- }
-
- underline.rewind();
-
- // middle between baseline and descent
- final int diff = (int) (p.descent() / 2F + .5F);
-
- underline.addRect(
- leading, baseline + diff,
- trailing, baseline + diff + underlineHeight(textView),
- Path.Direction.CW
- );
-
- outline.rewind();
-
- final int charsLength = e - s;
- final char[] chars = charCache.chars(charsLength);
- TextUtils.getChars(spanned, s, e, chars, 0);
-
- if (true) {
- final MetricAffectingSpan[] metricAffectingSpans = spanned.getSpans(s, e, MetricAffectingSpan.class);
-// Log.e("EU", Arrays.toString(metricAffectingSpans));
- for (MetricAffectingSpan span : metricAffectingSpans) {
- span.updateMeasureState(tempTextPaint);
- }
- }
-
- // todo: styleSpan
- // todo all other spans (maybe UpdateMeasureSpans?)
- tempTextPaint.getTextPath(
- chars,
- 0, charsLength,
- leading, baseline,
- outline
- );
-
- outline.op(underline, Path.Op.INTERSECT);
-
- strokedOutline.rewind();
- stroke.setStrokeWidth(underlineClearGap(textView));
- stroke.getFillPath(outline, strokedOutline);
-
- underline.op(strokedOutline, Path.Op.DIFFERENCE);
-
- c.drawPath(underline, p);
- }
-
- private int underlineHeight(@NonNull TextView textView) {
- if (underlineHeight > 0) {
- return underlineHeight;
- }
- return (int) (DEFAULT_UNDERLINE_HEIGHT_DIP * textView.getResources().getDisplayMetrics().density + 0.5F);
- }
-
- private int underlineClearGap(@NonNull TextView textView) {
- if (underlineClearGap > 0) {
- return underlineClearGap;
- }
- return (int) (DEFAULT_UNDERLINE_CLEAR_GAP_DIP * textView.getResources().getDisplayMetrics().density + 0.5F);
- }
-
- // primitive cache that grows internal array (never shrinks, nor clear buffer)
- // TODO: but... each span has own instance, so not much of the memory saving
- private static class CharCache {
-
- @NonNull
- char[] chars(int ofLength) {
- final char[] out;
- if (chars == null || chars.length < ofLength) {
- out = chars = new char[ofLength];
- } else {
- out = chars;
- }
- return out;
- }
-
- private char[] chars;
- }
-}
-
diff --git a/sample/src/main/java/io/noties/markwon/sample/html/HtmlActivity.java b/sample/src/main/java/io/noties/markwon/sample/html/HtmlActivity.java
deleted file mode 100644
index 02c65621..00000000
--- a/sample/src/main/java/io/noties/markwon/sample/html/HtmlActivity.java
+++ /dev/null
@@ -1,419 +0,0 @@
-package io.noties.markwon.sample.html;
-
-import android.os.Build;
-import android.os.Bundle;
-import android.text.Layout;
-import android.text.TextUtils;
-import android.text.style.AbsoluteSizeSpan;
-import android.text.style.AlignmentSpan;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.Px;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Random;
-
-import io.noties.markwon.AbstractMarkwonPlugin;
-import io.noties.markwon.Markwon;
-import io.noties.markwon.MarkwonConfiguration;
-import io.noties.markwon.MarkwonVisitor;
-import io.noties.markwon.RenderProps;
-import io.noties.markwon.SpannableBuilder;
-import io.noties.markwon.html.HtmlEmptyTagReplacement;
-import io.noties.markwon.html.HtmlPlugin;
-import io.noties.markwon.html.HtmlTag;
-import io.noties.markwon.html.MarkwonHtmlRenderer;
-import io.noties.markwon.html.TagHandler;
-import io.noties.markwon.html.tag.SimpleTagHandler;
-import io.noties.markwon.image.ImagesPlugin;
-import io.noties.markwon.sample.ActivityWithMenuOptions;
-import io.noties.markwon.sample.MenuOptions;
-import io.noties.markwon.sample.R;
-
-public class HtmlActivity extends ActivityWithMenuOptions {
-
- @NonNull
- @Override
- public MenuOptions menuOptions() {
- return MenuOptions.create()
- .add("align", this::align)
- .add("randomCharSize", this::randomCharSize)
- .add("enhance", this::enhance)
- .add("image", this::image)
-// .add("elegantUnderline", this::elegantUnderline)
- .add("iframe", this::iframe)
- .add("emptyTagReplacement", this::emptyTagReplacement)
- .add("centerTag", this::centerTag);
- }
-
- private TextView textView;
-
- @Override
- public void onCreate(@Nullable Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- setContentView(R.layout.activity_text_view);
-
- // let's define some custom tag-handlers
-
- textView = findViewById(R.id.text_view);
-
- emptyTagReplacement();
- }
-
- // we can use `SimpleTagHandler` for _simple_ cases (when the whole tag content
- // will have spans from start to end)
- //
- // we can use any tag name, even not defined in HTML spec
- private static class AlignTagHandler extends SimpleTagHandler {
-
- @Nullable
- @Override
- public Object getSpans(
- @NonNull MarkwonConfiguration configuration,
- @NonNull RenderProps renderProps,
- @NonNull HtmlTag tag) {
-
- final Layout.Alignment alignment;
-
- // html attribute without value, ![](\"https://upload.wikimedia.org/wikipedia/it/thumb/c/c5/GTA_2.JPG/220px-GTA_2.JPG\")
\n" +
- "\n" +
- "New lines\n\n";
-
- final Markwon markwon = Markwon.builder(this)
- .usePlugin(ImagesPlugin.create())
- .usePlugin(HtmlPlugin.create())
- .build();
-
- markwon.setMarkdown(textView, md);
- }
-
- private void elegantUnderline() {
-
- if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
- Toast.makeText(
- this,
- "Elegant underline is supported on KitKat and up",
- Toast.LENGTH_LONG
- ).show();
- return;
- }
-
- final String underline = "Well well wel, and now Gogogo, quite **perfect** yeah and nice and elegant";
-
- final String md = "" +
- underline + "\n\n" +
- "" + underline + "\n\n" +
- "" + underline + "\n\n" +
- "" + underline + underline + underline + "\n\n" +
- "" + underline + "\n\n" +
- "";
-
- final Markwon markwon = Markwon.builder(this)
- .usePlugin(HtmlPlugin.create(plugin -> plugin
- .addHandler(new HtmlFontTagHandler())
- .addHandler(new HtmlElegantUnderlineTagHandler())))
- .build();
-
- markwon.setMarkdown(textView, md);
- }
-
- private void iframe() {
- final String md = "" +
- "# Hello iframe\n\n" +
- "![\"JUMP](\"https://img1.ak.crunchyroll.com/i/spire1/f0c009039dd9f8dff5907fff148adfca1587067000_full.jpg\" "\\"JUMP")
![\"\"](\"https://img1.ak.crunchyroll.com/i/spire4/78f5441d927cf160a93e037b567c2b1f1587067041_full.png\")
LiSA's Sword Art Online: Alicization OP Song \"ADAMAS\" Certified Platinum with 250,000 Downloads
\n" +
- " \n" +
- " The upper tune was already certified Gold one month after its digital release
\n" +
- " ![\"\"](\"https://img1.ak.crunchyroll.com/i/spire2/d7b1d6bc7563224388ef5ffc04a967581589950464_full.jpg\"\n")
\n" +
- " stuff with \n\n*mark* **down**\n\n
\n" +
- " nested stuff
The 3rd!
\n\n" +
- "**bold** _em_\n