Implement and add a simple go-to-line panel

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/apps/projectcenter/trunk@38051 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,12 @@
+2014-08-29 Riccardo Mottola <rm@gnu.org>
+
+	* Modules/Editors/ProjectCenter/GNUmakefile
+	* Modules/Editors/ProjectCenter/LineJumper.h
+	* Modules/Editors/ProjectCenter/LineJumper.m
+	* Modules/Editors/ProjectCenter/PCEditorView.m
+	* Modules/Editors/ProjectCenter/Resources/LineJumper.gorm
+	Implement and add a simple go-to-line panel
+
 2014-08-25  Wolfgang Lux  <wolfgang.lux@gmail.com>
 
 	* Modules/Editors/ProjectCenter/PCEditor.m (unhighlightCharacter:):

Modules/Editors/ProjectCenter/GNUmakefile

@@ -29,7 +29,8 @@ ProjectCenter_RESOURCE_FILES= \
     Resources/FileH.tiff \
     Resources/FileHH.tiff \
     Resources/FileM.tiff \
-    Resources/FileMH.tiff
+    Resources/FileMH.tiff \
+    Resources/LineJumper.gorm
 
 #
 # Header files
@@ -38,7 +39,8 @@ ProjectCenter_HEADERS= \
     PCEditor.h \
     PCEditorView.h \
     SyntaxDefinition.h \
-    SyntaxHighlighter.h
+    SyntaxHighlighter.h \
+    LineJumper.h
 
 #
 # Class files
@@ -48,7 +50,8 @@ ProjectCenter_OBJC_FILES= \
     PCEditorView.m \
     TextPattern.m \
     SyntaxDefinition.m \
-    SyntaxHighlighter.m 
+    SyntaxHighlighter.m \
+    LineJumper.m
 
 include ../../GNUmakefile.bundles
 include $(GNUSTEP_MAKEFILES)/bundle.make

Modules/Editors/ProjectCenter/LineJumper.h

@@ -0,0 +1,20 @@
+#import <Foundation/NSObject.h>
+#import <Protocols/CodeEditorView.h>
+
+@interface LineJumper : NSObject
+{
+  IBOutlet NSTextField *lineField;
+  IBOutlet NSButton *goToButton;
+}
+
++ (id)sharedInstance;
+
+- (NSPanel *)linePanel;
+
+/* Gets the first responder and returns it if it's an NSTextView */
+- (NSTextView<CodeEditorView> *)editorViewToUse;
+
+/* panel UI methods */
+- (IBAction)goToLine:(id)sender;
+
+@end

Modules/Editors/ProjectCenter/LineJumper.m

@@ -0,0 +1,72 @@
+#import "LineJumper.h"
+
+static id sharedLineJumper = nil;
+
+@implementation LineJumper
+
++ (id)sharedInstance
+{
+  if (!sharedLineJumper) 
+    {
+      sharedLineJumper = [[self allocWithZone:[[NSApplication sharedApplication] zone]] init];
+    }
+  return sharedLineJumper;
+}
+
+- (id) init
+{
+  if (!(self = [super init])) return nil;
+  //  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appDidActivate:) name:NSApplicationDidBecomeActiveNotification object:[NSApplication sharedApplication]];
+  // [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(addWillDeactivate:) name:NSApplicationWillResignActiveNotification object:[NSApplication sharedApplication]];
+  return self;
+}
+
+- (void)loadUI
+{
+  if (!lineField)
+    {
+      if (![NSBundle loadNibNamed:@"LineJumper" owner:self])
+        {
+          NSLog(@"Failed to load LineJumper.nib");
+          NSBeep();
+        }
+      if (self == sharedLineJumper)
+        [[lineField window] setFrameAutosaveName:@"GoTo Line"];
+    }
+}
+
+- (NSTextView<CodeEditorView> *)editorViewToUse
+{
+  id tv = [[NSApp mainWindow] firstResponder];
+  if([tv conformsToProtocol:@protocol(CodeEditorView)])
+    return tv;
+  return nil;
+}
+
+- (NSPanel *)linePanel {
+    if (!lineField)
+      [self loadUI];
+    return (NSPanel *)[lineField window];
+}
+
+- (void)orderFrontLinePanel:(id)sender
+{
+  NSPanel *panel = [self linePanel];
+  [lineField selectText:nil];
+  [panel makeKeyAndOrderFront:nil];
+}
+
+- (IBAction)goToLine:(id)sender
+{
+  NSUInteger line;
+  NSTextView<CodeEditorView> *cev;
+
+  line = (NSUInteger)[lineField integerValue];
+  cev = [self editorViewToUse];
+  if (cev)
+    {
+      [cev goToLineNumber:line];
+    }
+}
+
+@end

Modules/Editors/ProjectCenter/PCEditorView.m

@@ -42,6 +42,7 @@
 
 #import "PCEditor.h"
 #import "SyntaxHighlighter.h"
+#import "LineJumper.h"
 
 static inline float my_abs(float aValue)
 {
@@ -623,7 +624,10 @@ static int ComputeIndentingOffset(NSString * string, unsigned int start)
 
 - (void)performGoToLinePanelAction:(id)sender
 {
-  NSLog(@"perform go to line!");
+  LineJumper *lj;
+
+  lj = [LineJumper sharedInstance];
+  [lj orderFrontLinePanel:self];
 }
 
 - (void)goToLineNumber:(NSUInteger)lineNumber

Modules/Editors/ProjectCenter/Resources/LineJumper.gorm/data.classes

@@ -0,0 +1,19 @@
+{
+    "## Comment" = "Do NOT change this file, Gorm maintains it";
+    FirstResponder = {
+	Actions = (
+	    "goToLine:"
+	);
+	Super = NSObject;
+    };
+    LineJumper = {
+	Actions = (
+	    "goToLine:"
+	);
+	Outlets = (
+	    lineField,
+	    goToButton
+	);
+	Super = NSObject;
+    };
+}