From eff3096b2891da51703ec50db5ae9c8ccc3658cf Mon Sep 17 00:00:00 2001
From: Alena Laskavaia <elaskavaia.cdt@gmail.com>
Date: Fri, 12 Dec 2008 14:19:36 +0000
Subject: [PATCH] 242403 - applied patch to solve ClassCastException

---
 .../internal/core/MultiResourceInfo.java      | 26 +++++++----
 .../internal/core/PluginResources.properties  |  1 +
 .../ui/properties/BuildOptionSettingsUI.java  | 45 ++++++++++++++-----
 3 files changed, 52 insertions(+), 20 deletions(-)

diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/MultiResourceInfo.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/MultiResourceInfo.java
index 1d02c115fe5..7a91af78cdd 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/MultiResourceInfo.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/MultiResourceInfo.java
@@ -15,10 +15,12 @@ import org.eclipse.cdt.core.settings.model.extension.CLanguageData;
 import org.eclipse.cdt.core.settings.model.extension.CResourceData;
 import org.eclipse.cdt.managedbuilder.core.BuildException;
 import org.eclipse.cdt.managedbuilder.core.IConfiguration;
+import org.eclipse.cdt.managedbuilder.core.IFolderInfo;
 import org.eclipse.cdt.managedbuilder.core.IHoldsOptions;
 import org.eclipse.cdt.managedbuilder.core.IOption;
 import org.eclipse.cdt.managedbuilder.core.IResourceInfo;
 import org.eclipse.cdt.managedbuilder.core.ITool;
+import org.eclipse.cdt.managedbuilder.core.IToolChain;
 import org.eclipse.cdt.managedbuilder.core.OptionStringValue;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.PluginVersionIdentifier;
@@ -228,25 +230,33 @@ public abstract class MultiResourceInfo extends MultiItemsHolder implements
 		
 		String sid = getSuperClassId(option);
 		for (int i=0; i<fRis.length; i++) {
-			ITool[] ts = fRis[i].getTools();
-			for (int j=0; j<ts.length; j++) {
+			IHoldsOptions[] hos;
+			if (parent instanceof ITool)
+				hos = fRis[i].getTools();
+			else if (parent instanceof IToolChain)
+				// If parent is an IToolChain then the resource infos must be at folder level
+				hos = new IHoldsOptions[] {((IFolderInfo)fRis[i]).getToolChain()};
+			else // Shouldn't happen
+				throw new BuildException(ManagedMakeMessages.getString("MultiResourceInfo.MultiResourceInfo.UnhandledIHoldsOptionsType")); //$NON-NLS-1$
+
+			for (int j=0; j<hos.length; j++) {
 				if (ext != null && 
-						! ext.equals(ts[j].getDefaultInputExtension()))
+						! ext.equals(((ITool)hos[j]).getDefaultInputExtension()))
 					continue;
-				IOption op2 = ts[j].getOptionBySuperClassId(sid);
+				IOption op2 = hos[j].getOptionBySuperClassId(sid);
 				if (op2 != null) {
 					switch (mode) {
 					case MODE_BOOL:	
-						op = fRis[i].setOption(ts[j], op2, ((Boolean)value).booleanValue());
+						op = fRis[i].setOption(hos[j], op2, ((Boolean)value).booleanValue());
 						break;
 					case MODE_STR:	
-						op = fRis[i].setOption(ts[j], op2, (String)value);
+						op = fRis[i].setOption(hos[j], op2, (String)value);
 						break;
 					case MODE_SAR:	
-						op = fRis[i].setOption(ts[j], op2, (String[])value);
+						op = fRis[i].setOption(hos[j], op2, (String[])value);
 						break;
 					case MODE_OSV:	
-						op = fRis[i].setOption(ts[j], op2, (OptionStringValue[])value);
+						op = fRis[i].setOption(hos[j], op2, (OptionStringValue[])value);
 						break;
 					}
 				}
diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/PluginResources.properties b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/PluginResources.properties
index c2905ea1e35..26801a935c7 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/PluginResources.properties
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/PluginResources.properties
@@ -159,6 +159,7 @@ CommonBuilder.22=Building referenced configurations..
 CommonBuilder.23=Buildfile generation error occurred..
 CommonBuilder.24=Build stopped..
 MakeBuilder.buildError=
+MultiResourceInfo.MultiResourceInfo.UnhandledIHoldsOptionsType=Unhandled parent type: not ITool nor IToolChain
 ResourceChangeHandler2.0=project build settings update job
 ToolInfo.0=conversion failure
 ToolInfo.1=the tool is removed
diff --git a/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/BuildOptionSettingsUI.java b/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/BuildOptionSettingsUI.java
index 62070c734e5..e8e742ca570 100644
--- a/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/BuildOptionSettingsUI.java
+++ b/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/BuildOptionSettingsUI.java
@@ -30,6 +30,7 @@ import org.eclipse.cdt.managedbuilder.core.IOptionApplicability;
 import org.eclipse.cdt.managedbuilder.core.IOptionCategory;
 import org.eclipse.cdt.managedbuilder.core.IResourceInfo;
 import org.eclipse.cdt.managedbuilder.core.ITool;
+import org.eclipse.cdt.managedbuilder.core.IToolChain;
 import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
 import org.eclipse.cdt.managedbuilder.internal.core.MultiResourceInfo;
 import org.eclipse.cdt.ui.newui.AbstractCPropertyTab;
@@ -53,8 +54,10 @@ public class BuildOptionSettingsUI extends AbstractToolSettingUI {
 		new HashMap<String, FieldEditor>();
 	private IOptionCategory category;
 	private IHoldsOptions optionHolder;
+	/** Option Holders involved */
 	private IHoldsOptions[] ohs;
-	private int curr;
+	/** The index of the current IHoldsOptions in ohs */
+	private int curr = -1;
 	private Map<FieldEditor, Composite> fieldEditorsToParentMap = 
 		new HashMap<FieldEditor, Composite>();
 
@@ -69,25 +72,43 @@ public class BuildOptionSettingsUI extends AbstractToolSettingUI {
 			MultiResourceInfo mri = (MultiResourceInfo)info; 
 			IResourceInfo[] ris = (IResourceInfo[])mri.getItems();
 			String id = category.getId();
-			String ext = ((ITool)optionHolder).getDefaultInputExtension();
-			ArrayList<ITool> lst = new ArrayList<ITool>();
-			for (int i=0; i<ris.length; i++) {
-				ITool[] ts = ris[i].getTools();
-				for (int j=0; j<ts.length; j++) {
-					IOptionCategory op = ts[j].getOptionCategory(id);
-					if (op != null) {
-						if (ext.equals(ts[j].getDefaultInputExtension()))
-							lst.add(ts[j]);
+
+			/*
+			 * Collect together all the IHoldsOptions (ITools & IToolChains)
+			 * from the MultiResourceInfo's set of selected configs
+			 * which contain the option category and accept the input type
+			 * of this option holder.
+			 */
+			ArrayList<IHoldsOptions> lst = new ArrayList<IHoldsOptions>();
+			if (optionHolder instanceof ITool) {
+				String ext = ((ITool)optionHolder).getDefaultInputExtension();
+				for (int i=0; i<ris.length; i++) {
+					ITool[] ts = ris[i].getTools();
+					for (int j=0; j<ts.length; j++) {
+						IOptionCategory op = ts[j].getOptionCategory(id);
+						if (op != null) {
+							if (ext.equals(ts[j].getDefaultInputExtension())) {
+								lst.add(ts[j]);
+							}
+						}
 					}
-				}				
+				}
+			} else if (optionHolder instanceof IToolChain) {
+				for (int i=0; i<ris.length; i++) {
+					IToolChain tc = ris[i].getParent().getToolChain();
+					IOptionCategory op = tc.getOptionCategory(id);
+					if (op != null)
+						lst.add(tc);
+				}
 			}
+
 			ohs = (IHoldsOptions[])lst.toArray(new IHoldsOptions[lst.size()]);
 			for (int i=0; i<ohs.length; i++) {
 				if (ohs[i].equals(optionHolder)) {
 					curr = i;
 					break;
 				}
-			}	
+			}
 		} else {
 			ohs = null;
 			curr = 0;