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support JBColor preview in gutter

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This commit is contained in:
Konstantin Bulenkov
2016-05-03 14:00:43 +02:00
parent ee0f15c264
commit ab4361185d
1 changed files with 97 additions and 41 deletions
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java/java-impl/src/com/intellij/codeInsight/daemon/impl/JavaColorProvider.java
+97 -41
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@@ -19,10 +19,12 @@ import com.intellij.ide.IdeBundle;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.ElementColorProvider;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.impl.JavaConstantExpressionEvaluator;
import com.intellij.psi.util.PsiTypesUtil;
import com.intellij.ui.ColorUtil;
import com.intellij.ui.JBColor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@@ -31,6 +33,7 @@ import java.awt.*;
/**
* @author Konstantin Bulenkov
*/
@SuppressWarnings("UseJBColor")
public class JavaColorProvider implements ElementColorProvider {
@Override
public Color getColorFrom(@NotNull PsiElement element) {
@@ -57,10 +60,34 @@ public class JavaColorProvider implements ElementColorProvider {
if (isColorType(expr.getType())) {
return getColor(expr.getArgumentList());
}
} else if (isIntLiteralInsideNewJBColorExpression(element)) {
final String text = element.getText();
boolean hasAlpha = text != null && StringUtil.startsWithIgnoreCase(text, "0x") && text.length() > 8;
return new Color(getInt((PsiExpression)element), hasAlpha);
}
return null;
}
private static boolean isIntLiteralInsideNewJBColorExpression(PsiElement element) {
if (element instanceof PsiLiteralExpression && PsiType.INT.equals(((PsiLiteralExpression)element).getType())) {
PsiElement parent = element.getParent();
if (parent != null) {
return isNewJBColorExpression(parent.getParent());
}
}
return false;
}
private static boolean isNewJBColorExpression(PsiElement element) {
if (element instanceof PsiNewExpression) {
final PsiClass psiClass = PsiTypesUtil.getPsiClass(((PsiNewExpression)element).getType());
if (psiClass != null && JBColor.class.getName().equals(psiClass.getQualifiedName())) {
return true;
}
}
return false;
}
@Nullable
private static Color getColor(PsiExpressionList list) {
try {
@@ -116,49 +143,63 @@ public class JavaColorProvider implements ElementColorProvider {
@Override
public void setColorTo(@NotNull PsiElement element, @NotNull Color color) {
PsiExpressionList argumentList = ((PsiNewExpression)element).getArgumentList();
assert argumentList != null;
PsiExpression[] expr = argumentList.getExpressions();
ColorConstructors type = getConstructorType(argumentList.getExpressionTypes());
Runnable command;
final Document document = PsiDocumentManager.getInstance(element.getProject()).getDocument(element.getContainingFile());
assert type != null;
CommandProcessor.getInstance().executeCommand(element.getProject(), new Runnable() {
@Override
public void run() {
switch (type) {
case INT:
case INT_BOOL:
replaceInt(expr[0], color.getRGB(), true);
return;
case INT_x3:
case INT_x4:
replaceInt(expr[0], color.getRed());
replaceInt(expr[1], color.getGreen());
replaceInt(expr[2], color.getBlue());
if (type == ColorConstructors.INT_x4) {
replaceInt(expr[3], color.getAlpha());
}
else if (color.getAlpha() != 255) {
//todo add alpha
}
return;
case FLOAT_x3:
case FLOAT_x4:
float[] rgba = color.getColorComponents(null);
replaceFloat(expr[0], rgba[0]);
replaceFloat(expr[1], rgba[1]);
replaceFloat(expr[2], rgba[2]);
if (type == ColorConstructors.FLOAT_x4) {
replaceFloat(expr[3], rgba.length == 4 ? rgba[3] : 0f);
}
else if (color.getAlpha() != 255) {
//todo add alpha
}
if (isIntLiteralInsideNewJBColorExpression(element)) {
command = new Runnable() {
@Override
public void run() {
replaceInt((PsiExpression)element, color.getRGB(), true, color.getAlpha() != 255);
}
}}, IdeBundle.message("change.color.command.text"), null, document);
};
} else {
PsiExpressionList argumentList = ((PsiNewExpression)element).getArgumentList();
assert argumentList != null;
PsiExpression[] expr = argumentList.getExpressions();
ColorConstructors type = getConstructorType(argumentList.getExpressionTypes());
assert type != null;
command = new Runnable() {
@Override
public void run() {
switch (type) {
case INT:
case INT_BOOL:
replaceInt(expr[0], color.getRGB(), true);
return;
case INT_x3:
case INT_x4:
replaceInt(expr[0], color.getRed());
replaceInt(expr[1], color.getGreen());
replaceInt(expr[2], color.getBlue());
if (type == ColorConstructors.INT_x4) {
replaceInt(expr[3], color.getAlpha());
}
else if (color.getAlpha() != 255) {
//todo add alpha
}
return;
case FLOAT_x3:
case FLOAT_x4:
float[] rgba = color.getColorComponents(null);
replaceFloat(expr[0], rgba[0]);
replaceFloat(expr[1], rgba[1]);
replaceFloat(expr[2], rgba[2]);
if (type == ColorConstructors.FLOAT_x4) {
replaceFloat(expr[3], rgba.length == 4 ? rgba[3] : 0f);
}
else if (color.getAlpha() != 255) {
//todo add alpha
}
}
}
};
}
if (command != null) {
CommandProcessor.getInstance().executeCommand(element.getProject(), command, IdeBundle.message("change.color.command.text"), null, document);
}
}
private static void replaceInt(PsiExpression expr, int newValue) {
@@ -166,9 +207,24 @@ public class JavaColorProvider implements ElementColorProvider {
}
private static void replaceInt(PsiExpression expr, int newValue, boolean hex) {
replaceInt(expr, newValue, hex, false);
}
private static void replaceInt(PsiExpression expr, int newValue, boolean hex, boolean hasAlpha) {
PsiElementFactory factory = JavaPsiFacade.getElementFactory(expr.getProject());
if (getInt(expr) != newValue) {
String text = hex ? "0x" + ColorUtil.toHex(new Color(newValue)).toUpperCase() : Integer.toString(newValue);
final Color c = new Color(newValue, hasAlpha);
String text;
if (hex) {
text = "0x";
if (hasAlpha) {
text += Integer.toHexString(c.getAlpha());
}
text += ColorUtil.toHex(c).toUpperCase();
} else {
text = Integer.toString(newValue);
}
expr.replace(factory.createExpressionFromText(text, null));
}
}