fix: #9 Add better text detection

Author: Ivan Scherbak

src/com/funivan/phpstorm/refactoring/EditUsages/CreateCustomPatchFromUsages.java

@@ -6,15 +6,20 @@
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.DataContext;
+import com.intellij.openapi.editor.Document;
+import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.fileEditor.FileEditorManager;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.util.TextRange;
 import com.intellij.openapi.vfs.VfsUtil;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.usages.Usage;
 import com.intellij.usages.UsageInfo2UsageAdapter;
 import com.intellij.usages.UsageView;
 import com.intellij.usages.impl.UsageViewImpl;
 
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Set;
 
 /**
@@ -43,6 +48,9 @@ public void actionPerformed(AnActionEvent e) {
 
 
         StringBuilder buf = new StringBuilder();
+
+        Map<String, Boolean> processedLines = new HashMap<>();
+
         for (Usage usage : usages) {
 
             if (!(usage instanceof UsageInfo2UsageAdapter)) {
@@ -58,12 +66,29 @@ public void actionPerformed(AnActionEvent e) {
 
             VirtualFile file = usageInfo.getFile();
 
+            int line = usageInfo.getLine();
             String path = VfsUtil.getRelativePath(file, baseDir, '/');
 
+            String key = path + ":" + line;
+
+            if (processedLines.get(key) != null) {
+                continue;
+            }
+
+            Document fileDocument = FileDocumentManager.getInstance().getDocument(file);
+
+
+            int startOffset = fileDocument.getLineStartOffset(line);
+            int endOffset = fileDocument.getLineEndOffset(line);
+
+            String text = fileDocument.getText(new TextRange(startOffset, endOffset));
+
             buf.append("\n");
-            buf.append("//file:" + path + ':' + (usageInfo.getLine() + 1) + "\n");
-            buf.append(usageInfo.getPlainText() + "\n");
+            buf.append("//file:" + path + ':' + (line + 1) + "\n");
+            buf.append(text + "\n");
             buf.append("\n");
+
+            processedLines.put(key, true);
         }