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/*******************************************************************************
* Copyright (c) 2010, 2012 Andrew Gvozdev and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Andrew Gvozdev - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.newui;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.IDecoration;
import org.eclipse.swt.graphics.Image;
import org.eclipse.cdt.core.settings.model.ACPathEntry;
import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
import org.eclipse.cdt.core.settings.model.ICLanguageSettingEntry;
import org.eclipse.cdt.core.settings.model.ICSettingEntry;
import org.eclipse.cdt.core.settings.model.util.CDataUtil;
import org.eclipse.cdt.ui.CDTSharedImages;
import org.eclipse.cdt.ui.CUIPlugin;
/**
* Helper class to provide unified images for {@link ICLanguageSettingEntry}.
*/
public class LanguageSettingsImages {
/**
* @return the base key for the image.
*/
public static String getImageKey(int kind, int flag, boolean isProjectRelative) {
String imageKey = null;
boolean isWorkspacePath = (flag & ICSettingEntry.VALUE_WORKSPACE_PATH) != 0;
boolean isBuiltin = (flag & ICSettingEntry.BUILTIN) != 0;
boolean isFramework = (flag & ICSettingEntry.FRAMEWORKS_MAC) != 0;
switch (kind) {
case ICSettingEntry.INCLUDE_PATH:
if (isWorkspacePath) {
if (isProjectRelative) {
imageKey = CDTSharedImages.IMG_OBJS_INCLUDES_FOLDER_PROJECT;
} else {
imageKey = CDTSharedImages.IMG_OBJS_INCLUDES_FOLDER_WORKSPACE;
}
} else if (isFramework) {
imageKey = CDTSharedImages.IMG_OBJS_FRAMEWORKS_FOLDER;
} else if (isBuiltin) {
imageKey = CDTSharedImages.IMG_OBJS_INCLUDES_FOLDER_SYSTEM;
} else {
imageKey = CDTSharedImages.IMG_OBJS_INCLUDES_FOLDER;
}
break;
case ICSettingEntry.INCLUDE_FILE:
imageKey = CDTSharedImages.IMG_OBJS_TUNIT_HEADER;
break;
case ICSettingEntry.MACRO:
imageKey = CDTSharedImages.IMG_OBJS_MACRO;
break;
case ICSettingEntry.MACRO_FILE:
imageKey = CDTSharedImages.IMG_OBJS_MACROS_FILE;
break;
case ICSettingEntry.LIBRARY_PATH:
imageKey = CDTSharedImages.IMG_OBJS_LIBRARY_FOLDER;
break;
case ICSettingEntry.LIBRARY_FILE:
imageKey = CDTSharedImages.IMG_OBJS_LIBRARY;
break;
}
if (imageKey == null)
imageKey = CDTSharedImages.IMG_OBJS_UNKNOWN_TYPE;
return imageKey;
}
/**
* Returns image for the given entry from internally managed repository including
* necessary overlays.
*
* @param entry - language settings entry to get an image for.
* @param projectName - pass project name if available. That lets put "project" metaphor
* on the image. Pass {@code null} if no project name is available.
* @param cfgDescription - configuration description of the entry.
* @return the image for the entry with appropriate overlays.
*/
public static Image getImage(ICLanguageSettingEntry entry, String projectName, ICConfigurationDescription cfgDescription) {
int kind = entry.getKind();
int flags = entry.getFlags();
boolean isWorkspacePath = (flags & ICSettingEntry.VALUE_WORKSPACE_PATH) != 0;
String path = entry.getName();
boolean isProjectRelative = (projectName != null) && isWorkspacePath && path.startsWith(IPath.SEPARATOR + projectName + IPath.SEPARATOR);
String imageKey = getImageKey(kind, flags, isProjectRelative);
if (imageKey != null) {
if ((flags & ICSettingEntry.UNDEFINED) != 0) {
return CDTSharedImages.getImageOverlaid(imageKey, CDTSharedImages.IMG_OVR_INACTIVE, IDecoration.BOTTOM_LEFT);
}
if (entry instanceof ACPathEntry) {
String overlayKey=null;
IStatus status = getStatus(entry, cfgDescription);
switch (status.getSeverity()) {
case IStatus.ERROR:
overlayKey = CDTSharedImages.IMG_OVR_ERROR;
break;
case IStatus.WARNING:
overlayKey = CDTSharedImages.IMG_OVR_WARNING;
break;
case IStatus.INFO:
overlayKey = CDTSharedImages.IMG_OVR_WARNING;
break;
}
return CDTSharedImages.getImageOverlaid(imageKey, overlayKey, IDecoration.BOTTOM_LEFT);
}
return CDTSharedImages.getImage(imageKey);
}
return null;
}
/**
* Checking if the entry points to existing or accessible location.
* @param entry - resolved entry
*/
private static boolean isLocationOk(ACPathEntry entry) {
boolean exists = true;
boolean isWorkspacePath = (entry.getFlags() & ICSettingEntry.VALUE_WORKSPACE_PATH) != 0;
if (isWorkspacePath) {
IPath path = new Path(entry.getValue());
IResource rc = ResourcesPlugin.getWorkspace().getRoot().findMember(path);
exists = (rc !=null) && rc.isAccessible();
} else {
String pathname = entry.getName();
java.io.File file = new java.io.File(pathname);
exists = file.exists();
}
return exists;
}
/**
* Defines status object for the status message line.
*
* @param entry - the entry to check status on.
* @param cfgDescription - configuration description of the entry.
* @return a status object defining severity and message.
*/
public static IStatus getStatus(ICLanguageSettingEntry entry, ICConfigurationDescription cfgDescription) {
if (entry instanceof ACPathEntry) {
if (!entry.isResolved()) {
ICLanguageSettingEntry[] entries = CDataUtil.resolveEntries(new ICLanguageSettingEntry[] {entry}, cfgDescription);
if (entries != null && entries.length > 0) {
entry = entries[0];
}
}
ACPathEntry acEntry = (ACPathEntry)entry;
String acEntryName = acEntry.getName();
IPath path = new Path(acEntryName);
if (!path.isAbsolute()) {
return new Status(IStatus.INFO, CUIPlugin.PLUGIN_ID, Messages.LanguageSettingsImages_UsingRelativePathsNotRecommended);
}
if (!isLocationOk(acEntry)) {
if (acEntry.isFile()) {
return new Status(IStatus.WARNING, CUIPlugin.PLUGIN_ID, Messages.LanguageSettingsImages_FileDoesNotExist);
} else {
return new Status(IStatus.WARNING, CUIPlugin.PLUGIN_ID, Messages.LanguageSettingsImages_FolderDoesNotExist);
}
}
}
return Status.OK_STATUS;
}
}
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