| /* |
| * 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; |
| } |
| } |