- Set up TableSource to respond to task notifications to prepare for threaded queries

 - Alter task notifications to pass the TableDocument as the notification object so that only the current window responds to the notification, allowing other windows to be fully used while a window is performing a task

8 files changed, 206 insertions, 51 deletions

diff --git a/Interfaces/English.lproj/DBView.xib b/Interfaces/English.lproj/DBView.xib
index f31b505c..13bca4da 100644
--- a/Interfaces/English.lproj/DBView.xib
+++ b/Interfaces/English.lproj/DBView.xib
@@ -3,7 +3,7 @@
 	<data>
 		<int key="IBDocument.SystemTarget">1050</int>
 		<string key="IBDocument.SystemVersion">10B504</string>
-		<string key="IBDocument.InterfaceBuilderVersion">740</string>
+		<string key="IBDocument.InterfaceBuilderVersion">732</string>
 		<string key="IBDocument.AppKitVersion">1038.2</string>
 		<string key="IBDocument.HIToolboxVersion">437.00</string>
 		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
@@ -16,20 +16,20 @@
 			</object>
 			<object class="NSMutableArray" key="dict.values">
 				<bool key="EncodedWithXMLCoder">YES</bool>
-				<string>740</string>
-				<string>740</string>
+				<string>732</string>
+				<string>732</string>
 				<string>1.2.1</string>
 			</object>
 		</object>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
-			<integer value="557"/>
+			<integer value="672"/>
 		</object>
 		<object class="NSArray" key="IBDocument.PluginDependencies">
 			<bool key="EncodedWithXMLCoder">YES</bool>
 			<string>com.brandonwalkin.BWToolkit</string>
-			<string>com.apple.WebKitIBPlugin</string>
 			<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+			<string>com.apple.WebKitIBPlugin</string>
 		</object>
 		<object class="NSMutableDictionary" key="IBDocument.Metadata">
 			<bool key="EncodedWithXMLCoder">YES</bool>
@@ -59,10 +59,10 @@
 				<string key="NSWindowTitle">Connecting...</string>
 				<string key="NSWindowClass">NSWindow</string>
 				<string key="NSViewClass">View</string>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{780, 480}</string>
 				<object class="NSView" key="NSWindowView" id="579726586">
-					<nil key="NSNextResponder"/>
+					<reference key="NSNextResponder"/>
 					<int key="NSvFlags">256</int>
 					<object class="NSMutableArray" key="NSSubviews">
 						<bool key="EncodedWithXMLCoder">YES</bool>
@@ -237,7 +237,7 @@
 																											<string key="NSColorName">controlColor</string>
 																											<object class="NSColor" key="NSColor" id="1001122760">
 																												<int key="NSColorSpace">3</int>
-																												<bytes key="NSWhite">MC42NjY2NjY2ODY1AA</bytes>
+																												<bytes key="NSWhite">MC42NjY2NjY2NjY3AA</bytes>
 																											</object>
 																										</object>
 																										<reference key="NSTextColor" ref="454249633"/>
@@ -281,6 +281,7 @@
 																					</object>
 																					<string key="NSFrameSize">{212, 26}</string>
 																					<reference key="NSSuperview" ref="299440250"/>
+																					<reference key="NSNextKeyView" ref="687169829"/>
 																					<reference key="NSDocView" ref="687169829"/>
 																					<object class="NSColor" key="NSBGColor" id="1024678221">
 																						<int key="NSColorSpace">6</int>
@@ -313,6 +314,7 @@
 																			</object>
 																			<string key="NSFrameSize">{212, 26}</string>
 																			<reference key="NSSuperview" ref="801427893"/>
+																			<reference key="NSNextKeyView" ref="965350222"/>
 																			<int key="NSsFlags">0</int>
 																			<reference key="NSVScroller" ref="622721581"/>
 																			<reference key="NSHScroller" ref="367421094"/>
@@ -410,6 +412,7 @@
 																					</object>
 																					<string key="NSFrameSize">{212, 354}</string>
 																					<reference key="NSSuperview" ref="233472824"/>
+																					<reference key="NSNextKeyView" ref="251040077"/>
 																					<reference key="NSDocView" ref="251040077"/>
 																					<reference key="NSBGColor" ref="1024678221"/>
 																					<int key="NScvFlags">4</int>
@@ -436,6 +439,7 @@
 																			</object>
 																			<string key="NSFrameSize">{212, 354}</string>
 																			<reference key="NSSuperview" ref="1017775084"/>
+																			<reference key="NSNextKeyView" ref="73685676"/>
 																			<int key="NSsFlags">528</int>
 																			<reference key="NSVScroller" ref="693168867"/>
 																			<reference key="NSHScroller" ref="656188692"/>
@@ -571,6 +575,7 @@
 																	</object>
 																	<string key="NSFrameSize">{212, 145}</string>
 																	<reference key="NSSuperview" ref="298226231"/>
+																	<reference key="NSNextKeyView" ref="347093764"/>
 																	<reference key="NSDocView" ref="347093764"/>
 																	<reference key="NSBGColor" ref="1024678221"/>
 																	<int key="NScvFlags">6</int>
@@ -597,6 +602,7 @@
 															</object>
 															<string key="NSFrameSize">{212, 145}</string>
 															<reference key="NSSuperview" ref="192579410"/>
+															<reference key="NSNextKeyView" ref="685057119"/>
 															<int key="NSsFlags">512</int>
 															<reference key="NSVScroller" ref="245346414"/>
 															<reference key="NSHScroller" ref="353686052"/>
@@ -865,7 +871,7 @@
 												<object class="NSTabViewItem" id="831053945">
 													<string key="NSIdentifier">source</string>
 													<object class="NSView" key="NSView" id="461236772">
-														<nil key="NSNextResponder"/>
+														<reference key="NSNextResponder" ref="714795046"/>
 														<int key="NSvFlags">256</int>
 														<object class="NSMutableArray" key="NSSubviews">
 															<bool key="EncodedWithXMLCoder">YES</bool>
@@ -2126,6 +2132,7 @@
 															</object>
 														</object>
 														<string key="NSFrame">{{10, 7}, {700, 544}}</string>
+														<reference key="NSSuperview" ref="714795046"/>
 													</object>
 													<string key="NSLabel">Structure</string>
 													<reference key="NSColor" ref="62854682"/>
@@ -2920,7 +2927,7 @@
 												<object class="NSTabViewItem" id="105987292">
 													<string key="NSIdentifier">customQuery</string>
 													<object class="NSView" key="NSView" id="746504912">
-														<reference key="NSNextResponder" ref="714795046"/>
+														<nil key="NSNextResponder"/>
 														<int key="NSvFlags">256</int>
 														<object class="NSMutableArray" key="NSSubviews">
 															<bool key="EncodedWithXMLCoder">YES</bool>
@@ -3008,6 +3015,7 @@
 																						</object>
 																						<string key="NSFrame">{{1, 1}, {688, 155}}</string>
 																						<reference key="NSSuperview" ref="71560786"/>
+																						<reference key="NSNextKeyView" ref="1055190999"/>
 																						<reference key="NSDocView" ref="1055190999"/>
 																						<reference key="NSBGColor" ref="449903125"/>
 																						<object class="NSCursor" key="NSCursor" id="32917531">
@@ -3039,6 +3047,7 @@
 																				</object>
 																				<string key="NSFrameSize">{690, 157}</string>
 																				<reference key="NSSuperview" ref="873437769"/>
+																				<reference key="NSNextKeyView" ref="1072692119"/>
 																				<int key="NSsFlags">530</int>
 																				<reference key="NSVScroller" ref="413233170"/>
 																				<reference key="NSHScroller" ref="783638826"/>
@@ -3128,6 +3137,7 @@
 																						</object>
 																						<string key="NSFrame">{{1, 17}, {688, 228}}</string>
 																						<reference key="NSSuperview" ref="678281118"/>
+																						<reference key="NSNextKeyView" ref="581095761"/>
 																						<reference key="NSDocView" ref="581095761"/>
 																						<reference key="NSBGColor" ref="1024678221"/>
 																						<int key="NScvFlags">4</int>
@@ -3160,6 +3170,7 @@
 																						</object>
 																						<string key="NSFrame">{{1, 0}, {688, 17}}</string>
 																						<reference key="NSSuperview" ref="678281118"/>
+																						<reference key="NSNextKeyView" ref="1038415606"/>
 																						<reference key="NSDocView" ref="1038415606"/>
 																						<reference key="NSBGColor" ref="1024678221"/>
 																						<int key="NScvFlags">4</int>
@@ -3168,6 +3179,7 @@
 																				</object>
 																				<string key="NSFrameSize">{690, 246}</string>
 																				<reference key="NSSuperview" ref="345834048"/>
+																				<reference key="NSNextKeyView" ref="90844306"/>
 																				<int key="NSsFlags">562</int>
 																				<reference key="NSVScroller" ref="472831765"/>
 																				<reference key="NSHScroller" ref="851610321"/>
@@ -3764,7 +3776,6 @@
 															</object>
 														</object>
 														<string key="NSFrame">{{10, 7}, {700, 544}}</string>
-														<reference key="NSSuperview" ref="714795046"/>
 													</object>
 													<string key="NSLabel">Custom Query</string>
 													<reference key="NSColor" ref="62854682"/>
@@ -4809,14 +4820,14 @@
 													<reference key="NSTabView" ref="714795046"/>
 												</object>
 											</object>
-											<reference key="NSSelectedTabViewItem" ref="105987292"/>
+											<reference key="NSSelectedTabViewItem" ref="831053945"/>
 											<reference key="NSFont" ref="26"/>
 											<int key="NSTvFlags">134217731</int>
 											<bool key="NSAllowTruncatedLabels">YES</bool>
 											<bool key="NSDrawsBackground">YES</bool>
 											<object class="NSMutableArray" key="NSSubviews">
 												<bool key="EncodedWithXMLCoder">YES</bool>
-												<reference ref="746504912"/>
+												<reference ref="461236772"/>
 											</object>
 										</object>
 									</object>
@@ -4832,10 +4843,11 @@
 						</object>
 					</object>
 					<string key="NSFrameSize">{944, 550}</string>
+					<reference key="NSSuperview"/>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1920, 1178}}</string>
 				<string key="NSMinSize">{780, 502}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSFrameAutosaveName"/>
 			</object>
 			<object class="NSWindowTemplate" id="554105051">
@@ -4860,6 +4872,7 @@
 							<int key="NSvFlags">256</int>
 							<string key="NSFrame">{{36, 75}, {91, 14}}</string>
 							<reference key="NSSuperview" ref="70075497"/>
+							<reference key="NSWindow"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSTextFieldCell" key="NSCell" id="45988560">
 								<int key="NSCellFlags">68288064</int>
@@ -4876,6 +4889,7 @@
 							<int key="NSvFlags">256</int>
 							<string key="NSFrame">{{17, 50}, {110, 14}}</string>
 							<reference key="NSSuperview" ref="70075497"/>
+							<reference key="NSWindow"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSTextFieldCell" key="NSCell" id="410467805">
 								<int key="NSCellFlags">68288064</int>
@@ -4892,6 +4906,7 @@
 							<int key="NSvFlags">258</int>
 							<string key="NSFrame">{{135, 74}, {137, 18}}</string>
 							<reference key="NSSuperview" ref="70075497"/>
+							<reference key="NSWindow"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSTextFieldCell" key="NSCell" id="212969926">
 								<int key="NSCellFlags">-1804468671</int>
@@ -4909,6 +4924,7 @@
 							<int key="NSvFlags">259</int>
 							<string key="NSFrame">{{207, 13}, {70, 28}}</string>
 							<reference key="NSSuperview" ref="70075497"/>
+							<reference key="NSWindow"/>
 							<int key="NSTag">1</int>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSButtonCell" key="NSCell" id="169260261">
@@ -4936,6 +4952,7 @@
 							<int key="NSvFlags">259</int>
 							<string key="NSFrame">{{139, 13}, {70, 28}}</string>
 							<reference key="NSSuperview" ref="70075497"/>
+							<reference key="NSWindow"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSButtonCell" key="NSCell" id="994559297">
 								<int key="NSCellFlags">67239424</int>
@@ -4957,6 +4974,7 @@
 							<int key="NSvFlags">258</int>
 							<string key="NSFrame">{{132, 45}, {143, 22}}</string>
 							<reference key="NSSuperview" ref="70075497"/>
+							<reference key="NSWindow"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSPopUpButtonCell" key="NSCell" id="1000126742">
 								<int key="NSCellFlags">-2076049856</int>
@@ -5278,6 +5296,7 @@
 					</object>
 					<string key="NSFrameSize">{292, 112}</string>
 					<reference key="NSSuperview"/>
+					<reference key="NSWindow"/>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1440, 878}}</string>
 				<string key="NSMinSize">{292, 134}</string>
@@ -6007,7 +6026,7 @@
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{213, 107}</string>
 				<object class="NSView" key="NSWindowView" id="329225443">
 					<nil key="NSNextResponder"/>
@@ -6286,7 +6305,7 @@
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1440, 878}}</string>
 				<string key="NSMinSize">{213, 129}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="734744289">
 				<int key="NSWindowStyleMask">1</int>
@@ -6298,7 +6317,7 @@
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{213, 107}</string>
 				<object class="NSView" key="NSWindowView" id="234287744">
 					<nil key="NSNextResponder"/>
@@ -6454,7 +6473,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1440, 878}}</string>
 				<string key="NSMinSize">{213, 129}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="787219800">
 				<int key="NSWindowStyleMask">1</int>
@@ -6464,7 +6483,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<string key="NSWindowTitle">New Relation</string>
 				<string key="NSWindowClass">NSPanel</string>
 				<nil key="NSViewClass"/>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<object class="NSView" key="NSWindowView" id="842408319">
 					<nil key="NSNextResponder"/>
 					<int key="NSvFlags">256</int>
@@ -7065,7 +7084,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 					<string key="NSFrameSize">{302, 307}</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1440, 878}}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="1066802919">
 				<int key="NSWindowStyleMask">3</int>
@@ -7077,7 +7096,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{213, 50}</string>
 				<object class="NSView" key="NSWindowView" id="525490268">
 					<nil key="NSNextResponder"/>
@@ -7197,7 +7216,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1920, 1178}}</string>
 				<string key="NSMinSize">{213, 72}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="553728448">
 				<int key="NSWindowStyleMask">9</int>
@@ -7209,7 +7228,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{213, 107}</string>
 				<object class="NSView" key="NSWindowView" id="1052076676">
 					<nil key="NSNextResponder"/>
@@ -7344,7 +7363,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1440, 878}}</string>
 				<string key="NSMinSize">{213, 129}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="202784209">
 				<int key="NSWindowStyleMask">15</int>
@@ -7356,7 +7375,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{350, 200}</string>
 				<object class="NSView" key="NSWindowView" id="226131408">
 					<nil key="NSNextResponder"/>
@@ -7660,7 +7679,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1440, 878}}</string>
 				<string key="NSMinSize">{350, 222}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="828950706">
 				<int key="NSWindowStyleMask">15</int>
@@ -7672,7 +7691,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{350, 200}</string>
 				<object class="NSView" key="NSWindowView" id="749598685">
 					<nil key="NSNextResponder"/>
@@ -7874,7 +7893,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1680, 1028}}</string>
 				<string key="NSMinSize">{350, 222}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="466147946">
 				<int key="NSWindowStyleMask">9</int>
@@ -7886,7 +7905,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{213, 107}</string>
 				<object class="NSView" key="NSWindowView" id="860968037">
 					<nil key="NSNextResponder"/>
@@ -8035,7 +8054,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1440, 878}}</string>
 				<string key="NSMinSize">{213, 129}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="78186995">
 				<int key="NSWindowStyleMask">31</int>
@@ -8045,7 +8064,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<string key="NSWindowTitle">MySQL Help</string>
 				<string key="NSWindowClass">NSPanel</string>
 				<nil key="NSViewClass"/>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{351, 120}</string>
 				<object class="NSView" key="NSWindowView" id="539508428">
 					<nil key="NSNextResponder"/>
@@ -8439,7 +8458,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1280, 1002}}</string>
 				<string key="NSMinSize">{351, 136}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSFrameAutosaveName">MYSQL_HELP_WINDOW</string>
 			</object>
 			<object class="NSWindowTemplate" id="176945499">
@@ -8452,7 +8471,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<object class="NSMutableString" key="NSViewClass">
 					<characters key="NS.bytes">View</characters>
 				</object>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<string key="NSWindowContentMinSize">{350, 250}</string>
 				<object class="NSView" key="NSWindowView" id="1024486775">
 					<nil key="NSNextResponder"/>
@@ -8843,7 +8862,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1920, 1178}}</string>
 				<string key="NSMinSize">{350, 272}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSWindowTemplate" id="434046103">
 				<int key="NSWindowStyleMask">9</int>
@@ -8976,7 +8995,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				<string key="NSWindowTitle">Secure Text Input Sheet</string>
 				<string key="NSWindowClass">NSPanel</string>
 				<nil key="NSViewClass"/>
-				<string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSWindowContentMaxSize">{1.79769e+308, 1.79769e+308}</string>
 				<object class="NSView" key="NSWindowView" id="978976687">
 					<nil key="NSNextResponder"/>
 					<int key="NSvFlags">256</int>
@@ -9080,7 +9099,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 					<string key="NSFrameSize">{338, 138}</string>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1280, 778}}</string>
-				<string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
+				<string key="NSMaxSize">{1.79769e+308, 1.79769e+308}</string>
 			</object>
 			<object class="NSCustomView" id="139279766">
 				<nil key="NSNextResponder"/>
@@ -10946,7 +10965,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 								<string key="NSColorName">disabledControlTextColor</string>
 								<object class="NSColor" key="NSColor">
 									<int key="NSColorSpace">3</int>
-									<bytes key="NSWhite">MC4zMzMzMzMzNDMzAA</bytes>
+									<bytes key="NSWhite">MC4zMzMzMzMzMzMzAA</bytes>
 								</object>
 							</object>
 						</object>
@@ -15177,6 +15196,30 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 					</object>
 					<int key="connectionID">6634</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">reloadFieldsButton</string>
+						<reference key="source" ref="103234030"/>
+						<reference key="destination" ref="338296668"/>
+					</object>
+					<int key="connectionID">6635</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">reloadIndexesButton</string>
+						<reference key="source" ref="103234030"/>
+						<reference key="destination" ref="939835509"/>
+					</object>
+					<int key="connectionID">6636</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">tableDocumentInstance</string>
+						<reference key="source" ref="103234030"/>
+						<reference key="destination" ref="427689665"/>
+					</object>
+					<int key="connectionID">6637</int>
+				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -24764,7 +24807,7 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">6634</int>
+			<int key="maxID">6637</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -26001,10 +26044,13 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 							<string>indexView</string>
 							<string>indexedColumnsField</string>
 							<string>keySheet</string>
+							<string>reloadFieldsButton</string>
+							<string>reloadIndexesButton</string>
 							<string>removeFieldButton</string>
 							<string>removeIndexButton</string>
 							<string>structureGrabber</string>
 							<string>tableDataInstance</string>
+							<string>tableDocumentInstance</string>
 							<string>tableSourceView</string>
 							<string>tableWindow</string>
 							<string>tablesListInstance</string>
@@ -26029,6 +26075,9 @@ IGRvIHlvdSB3YW50IHRvIGFkZCBmb3IgdGhpcyBmaWVsZD8</string>
 							<string>id</string>
 							<string>id</string>
 							<string>id</string>
+							<string>id</string>
+							<string>id</string>
+							<string>id</string>
 						</object>
 					</object>
 					<object class="IBClassDescriptionSource" key="sourceIdentifier">
diff --git a/Source/CustomQuery.m b/Source/CustomQuery.m
index 108d360e..2df3227e 100644
--- a/Source/CustomQuery.m
+++ b/Source/CustomQuery.m
@@ -2548,8 +2548,11 @@
 - (void) startDocumentTaskForTab:(NSNotification *)aNotification
 {
 
-	// Only disable elements if the current tab is the content view
-	if (![[aNotification object] isEqualToString:@"SwitchToRunQueryToolbarItemIdentifier"]) return;
+	// Only proceed if the current document is the notifying document, and only if 
+	// this view is selected.
+	if ([aNotification object] != tableDocumentInstance
+		|| ![[[aNotification object] selectedToolbarItemIdentifier] isEqualToString:@"SwitchToRunQueryToolbarItemIdentifier"])
+		return;
 
 	[customQueryView setEnabled:NO];
 	[runSelectionButton setEnabled:NO];
@@ -2564,8 +2567,11 @@
 - (void) endDocumentTaskForTab:(NSNotification *)aNotification
 {
 
-	// Only enable elements if the current tab is the content view
-	if (![[aNotification object] isEqualToString:@"SwitchToRunQueryToolbarItemIdentifier"]) return;
+	// Only proceed if the current document is the notifying document, and only if 
+	// this view is selected.
+	if ([aNotification object] != tableDocumentInstance
+		|| ![[[aNotification object] selectedToolbarItemIdentifier] isEqualToString:@"SwitchToRunQueryToolbarItemIdentifier"])
+		return;
 
 	if (selectionButtonCanBeEnabled) {
 		[runSelectionButton setEnabled:YES];
diff --git a/Source/TableContent.m b/Source/TableContent.m
index 4286723a..156b46ab 100644
--- a/Source/TableContent.m
+++ b/Source/TableContent.m
@@ -2657,8 +2657,11 @@
 - (void) startDocumentTaskForTab:(NSNotification *)aNotification
 {
 
-	// Only disable elements if the current tab is the content view
-	if (![[aNotification object] isEqualToString:@"SwitchToTableContentToolbarItemIdentifier"]) return;
+	// Only proceed if the current document is the notifying document, and only if 
+	// this view is selected.
+	if ([aNotification object] != tableDocumentInstance
+		|| ![[[aNotification object] selectedToolbarItemIdentifier] isEqualToString:@"SwitchToTableContentToolbarItemIdentifier"])
+		return;
 
 	[tableContentView setEnabled:NO];
 	[addButton setEnabled:NO];
@@ -2674,8 +2677,11 @@
 - (void) endDocumentTaskForTab:(NSNotification *)aNotification
 {
 
-	// Only enable elements if the current tab is the content view
-	if (![[aNotification object] isEqualToString:@"SwitchToTableContentToolbarItemIdentifier"]) return;
+	// Only proceed if the current document is the notifying document, and only if 
+	// this view is selected.
+	if ([aNotification object] != tableDocumentInstance
+		|| ![[[aNotification object] selectedToolbarItemIdentifier] isEqualToString:@"SwitchToTableContentToolbarItemIdentifier"])
+		return;
 
 	if ( ![[[tableDataInstance statusValues] objectForKey:@"Rows"] isNSNull] && selectedTable && [selectedTable length] && [tableDataInstance tableEncoding]) [addButton setEnabled:YES];
 	if ([tableContentView numberOfSelectedRows] > 0) {
diff --git a/Source/TableDocument.h b/Source/TableDocument.h
index ef941f60..30d44084 100644
--- a/Source/TableDocument.h
+++ b/Source/TableDocument.h
@@ -273,6 +273,7 @@ enum sp_current_query_mode
 
 // Toolbar methods
 - (void)setupToolbar;
+- (NSString *)selectedToolbarItemIdentifier;
 - (NSToolbarItem *)toolbar:(NSToolbar *)toolbar itemForItemIdentifier:(NSString *)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag;
 - (NSArray *)toolbarAllowedItemIdentifiers:(NSToolbar*)toolbar;
 - (NSArray *)toolbarDefaultItemIdentifiers:(NSToolbar*)toolbar;
diff --git a/Source/TableDocument.m b/Source/TableDocument.m
index 2515dde2..40428e53 100644
--- a/Source/TableDocument.m
+++ b/Source/TableDocument.m
@@ -1132,7 +1132,7 @@
 	_isWorking = YES;
 	[dbTablesTableView setEnabled:NO];
 	[historyControl setEnabled:NO];
-	[[NSNotificationCenter defaultCenter] postNotificationName:SPDocumentTaskStartNotification object:[mainToolbar selectedItemIdentifier]];
+	[[NSNotificationCenter defaultCenter] postNotificationName:SPDocumentTaskStartNotification object:self];
 
 	// Reset the progress indicator
 	taskDisplayIsIndeterminate = YES;
@@ -1209,7 +1209,7 @@
 	_isWorking = NO;
 	[dbTablesTableView setEnabled:YES];
 	[historyControl setEnabled:YES];
-	[[NSNotificationCenter defaultCenter] postNotificationName:SPDocumentTaskEndNotification object:[mainToolbar selectedItemIdentifier]];
+	[[NSNotificationCenter defaultCenter] postNotificationName:SPDocumentTaskEndNotification object:self];
 }
 
 /**
@@ -3002,6 +3002,14 @@
 }
 
 /**
+ * Return the identifier for the currently selected toolbar item, or nil if none is selected.
+ */
+- (NSString *)selectedToolbarItemIdentifier;
+{
+	return [mainToolbar selectedItemIdentifier];
+}
+
+/**
  * toolbar delegate method
  */
 - (NSToolbarItem *)toolbar:(NSToolbar *)toolbar itemForItemIdentifier:(NSString *)itemIdentifier willBeInsertedIntoToolbar:(BOOL)willBeInsertedIntoToolbar
diff --git a/Source/TableSource.h b/Source/TableSource.h
index 4d10a5c9..c30a70bd 100644
--- a/Source/TableSource.h
+++ b/Source/TableSource.h
@@ -30,6 +30,7 @@
 {
 	IBOutlet id tablesListInstance;
 	IBOutlet id tableDataInstance;
+	IBOutlet id tableDocumentInstance;
 
 	IBOutlet id tableWindow;
 	IBOutlet id indexSheet;
@@ -39,8 +40,10 @@
 	IBOutlet id addFieldButton;
 	IBOutlet id copyFieldButton;
 	IBOutlet id removeFieldButton;
+	IBOutlet id reloadFieldsButton;
 	IBOutlet id addIndexButton;
 	IBOutlet id removeIndexButton;
+	IBOutlet id reloadIndexesButton;
 	IBOutlet id indexTypeField;
 	IBOutlet id indexNameField;
 	IBOutlet id indexedColumnsField;
@@ -93,4 +96,8 @@
 - (NSDictionary *)enumFields;
 - (NSArray *)tableStructureForPrint;
 
+// Task interaction
+- (void) startDocumentTaskForTab:(NSNotification *)aNotification;
+- (void) endDocumentTaskForTab:(NSNotification *)aNotification;
+
 @end
diff --git a/Source/TableSource.m b/Source/TableSource.m
index 48ae859f..77e05efb 100644
--- a/Source/TableSource.m
+++ b/Source/TableSource.m
@@ -24,6 +24,7 @@
 //  More info at <http://code.google.com/p/sequel-pro/>
 
 #import "TableSource.h"
+#import "TableDocument.h"
 #import "TablesList.h"
 #import "SPTableData.h"
 #import "SPSQLParser.h"
@@ -46,6 +47,7 @@ loads aTable, put it in an array, update the tableViewColumns and reload the tab
 	id extra;
 	int i;
 	SPSQLParser *fieldParser;
+	BOOL enableInteraction = ![tableDocumentInstance isWorking];
 
 	// Check whether a save of the current row is required.
 	if ( ![self saveRowOnDeselect] ) return;
@@ -81,7 +83,7 @@ loads aTable, put it in an array, update the tableViewColumns and reload the tab
 	}
 	
 	// Enable edit table button
-	[editTableButton setEnabled:YES];
+	[editTableButton setEnabled:enableInteraction];
 
 	//query started
 	[[NSNotificationCenter defaultCenter] postNotificationName:@"SMySQLQueryWillBePerformed" object:self];
@@ -185,7 +187,7 @@ loads aTable, put it in an array, update the tableViewColumns and reload the tab
 	}
 	
 	// If a view is selected, disable the buttons; otherwise enable.
-	BOOL editingEnabled = ([tablesListInstance tableType] == SP_TABLETYPE_TABLE);
+	BOOL editingEnabled = ([tablesListInstance tableType] == SP_TABLETYPE_TABLE) && enableInteraction;
 	[addFieldButton setEnabled:editingEnabled];
 	[addIndexButton setEnabled:editingEnabled];
     
@@ -238,7 +240,7 @@ loads aTable, put it in an array, update the tableViewColumns and reload the tab
 	// if no field is selected 'Duplicate field' will copy the last field
 	// Enable 'Duplicate field' only for tables!
 	if([tablesListInstance tableType] == SP_TABLETYPE_TABLE)
-			[copyFieldButton setEnabled:([tableSourceView numberOfRows] > 0)];
+			[copyFieldButton setEnabled:enableInteraction && ([tableSourceView numberOfRows] > 0)];
 	else
 		[copyFieldButton setEnabled:NO];
 
@@ -1046,6 +1048,64 @@ returns a dictionary containing enum/set field names as key and possible values
 }
 
 #pragma mark -
+#pragma mark Task interaction
+
+/**
+ * Disable all content interactive elements during an ongoing task.
+ */
+- (void) startDocumentTaskForTab:(NSNotification *)aNotification
+{
+
+	// Only proceed if the current document is the notifying document, and only if 
+	// this view is selected.
+	if ([aNotification object] != tableDocumentInstance
+		|| ![[[aNotification object] selectedToolbarItemIdentifier] isEqualToString:@"SwitchToTableStructureToolbarItemIdentifier"])
+		return;
+
+	[tableSourceView setEnabled:NO];
+	[addFieldButton setEnabled:NO];
+	[removeFieldButton setEnabled:NO];
+	[copyFieldButton setEnabled:NO];
+	[reloadFieldsButton setEnabled:NO];
+	[editTableButton setEnabled:NO];
+
+	[indexView setEnabled:NO];
+	[addIndexButton setEnabled:NO];
+	[removeIndexButton setEnabled:NO];
+	[reloadIndexesButton setEnabled:NO];
+}
+
+/**
+ * Enable all content interactive elements after an ongoing task.
+ */
+- (void) endDocumentTaskForTab:(NSNotification *)aNotification
+{
+
+	// Only re-enable elements if the current tab is the structure view
+	if ([aNotification object] != tableDocumentInstance
+		|| ![[[aNotification object] selectedToolbarItemIdentifier] isEqualToString:@"SwitchToTableStructureToolbarItemIdentifier"])
+		return;
+
+	BOOL editingEnabled = ([tablesListInstance tableType] == SP_TABLETYPE_TABLE);
+	[tableSourceView setEnabled:YES];
+	[tableSourceView displayIfNeeded];
+	[addFieldButton setEnabled:editingEnabled];
+	if (editingEnabled && [tableSourceView numberOfSelectedRows] > 0) {
+		[removeFieldButton setEnabled:YES];
+		[copyFieldButton setEnabled:YES];
+	}
+	[reloadFieldsButton setEnabled:YES];
+	[editTableButton setEnabled:YES];
+
+	[indexView setEnabled:YES];
+	[indexView displayIfNeeded];
+	[addIndexButton setEnabled:editingEnabled];
+	if (editingEnabled && [indexView numberOfSelectedRows] > 0)
+		[removeIndexButton setEnabled:YES];
+	[reloadIndexesButton setEnabled:YES];
+}
+
+#pragma mark -
 #pragma mark TableView datasource methods
 
 - (int)numberOfRowsInTableView:(NSTableView *)aTableView
@@ -1405,10 +1465,22 @@ would result in a position change.
 	// Set the structure and index view's vertical gridlines if required
 	[tableSourceView setGridStyleMask:([prefs boolForKey:SPDisplayTableViewVerticalGridlines]) ? NSTableViewSolidVerticalGridLineMask : NSTableViewGridNone];
 	[indexView setGridStyleMask:([prefs boolForKey:SPDisplayTableViewVerticalGridlines]) ? NSTableViewSolidVerticalGridLineMask : NSTableViewGridNone];
+
+	// Add observers for document task activity
+	[[NSNotificationCenter defaultCenter] addObserver:self
+											 selector:@selector(startDocumentTaskForTab:)
+												 name:SPDocumentTaskStartNotification
+											   object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self
+											 selector:@selector(endDocumentTaskForTab:)
+												 name:SPDocumentTaskEndNotification
+											   object:nil];
 }
 
 - (void)dealloc
 {	
+	[[NSNotificationCenter defaultCenter] removeObserver:self];
+
 	[tableFields release];
 	[indexes release];
 	[oldRow release];
diff --git a/Source/TablesList.m b/Source/TablesList.m
index 2d56938d..5be863fd 100644
--- a/Source/TablesList.m
+++ b/Source/TablesList.m
@@ -1541,6 +1541,10 @@
  */
 - (void) startDocumentTaskForTab:(NSNotification *)aNotification
 {
+
+	// Only proceed if the notification was received from the current document.
+	if ([aNotification object] != tableDocumentInstance) return;
+
 	[tablesListView setEnabled:NO];
 	[toolbarAddButton setEnabled:NO];
 	[toolbarActionsButton setEnabled:NO];
@@ -1552,6 +1556,8 @@
  */
 - (void) endDocumentTaskForTab:(NSNotification *)aNotification
 {
+	if ([aNotification object] != tableDocumentInstance) return;
+
 	[tablesListView setEnabled:YES];
 	[toolbarAddButton setEnabled:YES];
 	[toolbarActionsButton setEnabled:YES];