1 files changed, 113 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/lint/ConvertToDpFix.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/lint/ConvertToDpFix.java
new file mode 100644
index 000000000..628972f8c
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/lint/ConvertToDpFix.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.eclipse.org/org/documents/epl-v10.php
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.ide.eclipse.adt.internal.lint;
+
+import static com.android.SdkConstants.UNIT_PX;
+import static com.android.SdkConstants.VALUE_N_DP;
+
+import com.android.ide.eclipse.adt.AdtPlugin;
+
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.jface.dialogs.IInputValidator;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.window.Window;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
+import org.w3c.dom.Attr;
+import org.w3c.dom.Element;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@SuppressWarnings("restriction") // DOM model
+final class ConvertToDpFix extends DocumentFix implements IInputValidator {
+    private ConvertToDpFix(String id, IMarker marker) {
+        super(id, marker);
+    }
+
+    @Override
+    public boolean needsFocus() {
+        return false;
+    }
+
+    @Override
+    public boolean isCancelable() {
+        return true;
+    }
+
+    @Override
+    protected void apply(IDocument document, IStructuredModel model, Node node, int start,
+            int end) {
+        Shell shell = AdtPlugin.getShell();
+        InputDensityDialog densityDialog = new InputDensityDialog(shell);
+        if (densityDialog.open() == Window.OK) {
+            int dpi = densityDialog.getDensity();
+            Element element = (Element) node;
+            Pattern pattern = Pattern.compile("(\\d+)px"); //$NON-NLS-1$
+            NamedNodeMap attributes = element.getAttributes();
+            for (int i = 0, n = attributes.getLength(); i < n; i++) {
+                Attr attribute = (Attr) attributes.item(i);
+                String value = attribute.getValue();
+                if (value.endsWith(UNIT_PX)) {
+                    Matcher matcher = pattern.matcher(value);
+                    if (matcher.matches()) {
+                        String numberString = matcher.group(1);
+                        try {
+                            int px = Integer.parseInt(numberString);
+                            int dp = px * 160 / dpi;
+                            String newValue = String.format(VALUE_N_DP, dp);
+                            attribute.setNodeValue(newValue);
+                        } catch (NumberFormatException nufe) {
+                            AdtPlugin.log(nufe, null);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    @Override
+    public String getDisplayString() {
+        return "Convert to \"dp\"...";
+    }
+
+    @Override
+    public Image getImage() {
+        return AdtPlugin.getAndroidLogo();
+    }
+
+    // ---- Implements IInputValidator ----
+
+    @Override
+    public String isValid(String input) {
+        if (input == null || input.length() == 0)
+            return " "; //$NON-NLS-1$
+
+        try {
+            int i = Integer.parseInt(input);
+            if (i <= 0 || i > 1000) {
+                return "Invalid range";
+            }
+        } catch (NumberFormatException x) {
+            return "Enter a valid number";
+        }
+
+        return null;
+    }
+}