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IDEA-66333 Quick documentation lookup on mouse hover

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Include only <body> context to the quick doc preview
This commit is contained in:
Denis.Zhdanov
2012-07-11 10:39:26 +04:00
parent 5c2ab87b78
commit 84149f87b0
2 changed files with 22 additions and 25 deletions
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platform/lang-impl/src/com/intellij/codeInsight/navigation/DocPreviewUtil.java
+21 -24
View File
@@ -65,23 +65,31 @@ public class DocPreviewUtil {
if (fullText == null) {
return header;
}
int bodyStart = fullText.indexOf("<body>");
if (bodyStart < 0) {
return header;
}
bodyStart += "<body>".length();
int bodyEnd = fullText.indexOf("</body>");
if (bodyEnd < 0) {
return header;
}
String body = fullText.substring(bodyStart, bodyEnd);
// The algorithm is:
// 1. Prepare header to use;
// 2. Process full text body as follows:
// 2.1. Count non-markup symbols until desired row symbols number is exceeded;
// 2.2. Insert <br> after that to start a new row;
// 2.3. Stop processing as soon as the desired rows number is reached or the text is finished;
// 3. Add closing tags for all non-matched open tags;
// 1. Process full text body as follows:
// 1.1. Count non-markup symbols until desired row symbols number is exceeded;
// 1.2. Insert <br> after that to start a new row;
// 1.3. Stop processing as soon as the desired rows number is reached or the text is finished;
// 2. Add closing tags for all non-matched open tags;
final Context context = new Context(desiredRowsNumber, desiredSymbolsInRowNumber);
int startParseOffset = 0;
//region 1. Prepare header to use
// Fill in HTML header.
startParseOffset = process(fullText, startParseOffset, fullText.length(), getHeadParser(context));
startParseOffset += "<body>".length();
// Include information about the library/module location.
int bracket = header.indexOf(']');
@@ -91,15 +99,15 @@ public class DocPreviewUtil {
}
// Include information that is available at the given header (it's not count to the given rows/columns arguments).
startParseOffset = process(fullText, startParseOffset, fullText.length(), getHeaderParser(context, header));
startParseOffset = process(body, startParseOffset, body.length(), getHeaderParser(context, header));
//endregion
//region Parse body
startParseOffset = process(fullText, startParseOffset, fullText.length(), getBodyParser(context));
startParseOffset = process(body, startParseOffset, body.length(), getBodyParser(context));
//endregion
if (qName != null && startParseOffset < fullText.length()) {
if (qName != null && startParseOffset < body.length()) {
context.buffer.append(String.format("<a href='psi_element://%s'>&lt;more&gt;</a>", qName));
}
@@ -186,17 +194,6 @@ public class DocPreviewUtil {
return start;
}
@NotNull
private static Callback getHeadParser(@NotNull Context context) {
return new AbstractCallback(context, false) {
@Override
public boolean onOpenTag(@NotNull String name, @NotNull String text) {
super.onOpenTag(name, text);
return !"body".equals(name);
}
};
}
@NotNull
private static Callback getHeaderParser(@NotNull Context context, @NotNull final String header) {
return new AbstractCallback(context, false) {
platform/lang-impl/testSources/com/intellij/codeInsight/navigation/DocPreviewUtilTest.groovy
+1 -1
View File
@@ -103,7 +103,7 @@ implements <a href="psi_element://java.io.Serializable"><code>java.io.Serializab
'''
def expected = '''\
<html><head> #error { background-color: #eeeeee; margin-bottom: 10px; } p { margin: 5px 0; } </head><body>[&lt; 1.7 &gt;] java.lang<PRE>public final class java.lang.String<br/>extends <a href="psi_element://java.lang.Object"><code>Object</code></a><br/>implements <a href="psi_element://java.io.Serializable"><code>java.io.Serializable</code></a>, <a href="psi_element://java.lang.Comparable"><code>java.lang.Comparable</code></a>&lt;<a href="psi_element://java.lang.String"><code>java.lang.String<br/></code></a>&gt;, <a href="psi_element://java.lang.CharSequence"><code>java.lang.CharSequence</code></a></PRE><br/>The <code>String</code> class represents character strings. All string literals<br/>in Java programs, such as <code>"abc"</code>, are implemented as instances<br/><a href='psi_element://java.lang.String'>&lt;more&gt;</a></body></html>\
[&lt; 1.7 &gt;] java.lang<PRE>public final class java.lang.String<br/>extends <a href="psi_element://java.lang.Object"><code>Object</code></a><br/>implements <a href="psi_element://java.io.Serializable"><code>java.io.Serializable</code></a>, <a href="psi_element://java.lang.Comparable"><code>java.lang.Comparable</code></a>&lt;<a href="psi_element://java.lang.String"><code>java.lang.String<br/></code></a>&gt;, <a href="psi_element://java.lang.CharSequence"><code>java.lang.CharSequence</code></a></PRE><br/>The <code>String</code> class represents character strings. All string literals<br/>in Java programs, such as <code>"abc"</code>, are implemented as instances<br/><a href='psi_element://java.lang.String'>&lt;more&gt;</a>\
'''
def actual = DocPreviewUtil.buildPreview(header, "java.lang.String", fullText, 2, 60)