| /*=============================================================================# |
| # Copyright (c) 2010, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.text.ui.settings; |
| |
| import static org.eclipse.statet.ecommons.text.ui.presentation.ITextPresentationConstants.TEXTSTYLE_BOLD_SUFFIX; |
| import static org.eclipse.statet.ecommons.text.ui.presentation.ITextPresentationConstants.TEXTSTYLE_COLOR_SUFFIX; |
| import static org.eclipse.statet.ecommons.text.ui.presentation.ITextPresentationConstants.TEXTSTYLE_ITALIC_SUFFIX; |
| import static org.eclipse.statet.ecommons.text.ui.presentation.ITextPresentationConstants.TEXTSTYLE_STRIKETHROUGH_SUFFIX; |
| import static org.eclipse.statet.ecommons.text.ui.presentation.ITextPresentationConstants.TEXTSTYLE_UNDERLINE_SUFFIX; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.preference.PreferenceConverter; |
| import org.eclipse.jface.text.rules.IToken; |
| import org.eclipse.swt.graphics.RGB; |
| |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| |
| @NonNullByDefault |
| public class CssTextStyleManager extends PreferenceStoreTextStyleManager<@Nullable String> { |
| |
| |
| private static void appendCssColor(final StringBuilder sb, final RGB color) { |
| sb.append('#'); |
| String s= Integer.toHexString(color.red); |
| if (s.length() == 1) { |
| sb.append('0'); |
| } |
| sb.append(s); |
| s= Integer.toHexString(color.green); |
| if (s.length() == 1) { |
| sb.append('0'); |
| } |
| sb.append(s); |
| s= Integer.toHexString(color.blue); |
| if (s.length() == 1) { |
| sb.append('0'); |
| } |
| sb.append(s); |
| } |
| |
| |
| private final String defaultRootKey; |
| |
| |
| public CssTextStyleManager(final IPreferenceStore preferenceStore, final String stylesGroupId, |
| final String defaultRootKey) { |
| super(preferenceStore, stylesGroupId); |
| this.defaultRootKey= defaultRootKey; |
| } |
| |
| |
| @Override |
| public IToken getToken(@Nullable String key) { |
| if (key == null) { |
| key= this.defaultRootKey; |
| } |
| return super.getToken(key); |
| } |
| |
| @Override |
| protected @Nullable String createTextAttributes(String key) { |
| key= resolveUsedKey(key); |
| if (key.equals(this.defaultRootKey)) { |
| return null; |
| } |
| |
| final StringBuilder sb= new StringBuilder(32); |
| final RGB rgb= PreferenceConverter.getColor(this.preferenceStore, key + TEXTSTYLE_COLOR_SUFFIX); |
| sb.append("color: "); //$NON-NLS-1$ |
| appendCssColor(sb, rgb); |
| sb.append("; "); //$NON-NLS-1$ |
| if (this.preferenceStore.getBoolean(key + TEXTSTYLE_BOLD_SUFFIX)) { |
| sb.append("font-weight: bold; "); //$NON-NLS-1$ |
| } |
| if (this.preferenceStore.getBoolean(key + TEXTSTYLE_ITALIC_SUFFIX)) { |
| sb.append("font-style: italic; "); //$NON-NLS-1$ |
| } |
| final boolean strikethrough= this.preferenceStore.getBoolean(key + TEXTSTYLE_STRIKETHROUGH_SUFFIX); |
| final boolean underline= this.preferenceStore.getBoolean(key + TEXTSTYLE_UNDERLINE_SUFFIX); |
| if (strikethrough || underline) { |
| sb.append("text-decoration:"); //$NON-NLS-1$ |
| if (strikethrough) { |
| sb.append(" line-through"); //$NON-NLS-1$ |
| } |
| if (underline) { |
| sb.append(" underline"); //$NON-NLS-1$ |
| } |
| sb.append("; "); //$NON-NLS-1$ |
| } |
| |
| return sb.substring(0, sb.length()-1); |
| } |
| |
| } |