UIPicker: Difference between revisions

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UIPicker (view source)

Revision as of 11:09, 4 January 2012

1,025 bytes added , 4 January 2012

m

→‎PickerView.h

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117

edits

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 === Required images===
 Here you find a customizable PickerView, which is limited to text. You need at least 4 pictures for the pickerView:
-- a backgroundView for the whole picker
+* a backgroundView for the whole picker
-- a backgroundView for every picker item
+* a backgroundView for every picker item
-- a image for the selected item in the picker item
+* an image for the selected item in the picker item
-- an overlay image for the picker item, you can use this, to darken the top most and bottom most elements
+* an overlay image for the picker item, you can use this, to darken the top most and bottom most elements
-//Link to UImage
+[[UIImage]] (Some hints for the images)
 === Required objects ===
-- Titles for every picker item (The PickerView can have multiple pickers) as NSStrings in an NSArray
+* Titles for every picker item (The PickerView can have multiple pickers) as NSStrings in an NSArray
-- items, which should be in a picker item (As a NSArray of NSStrings, stored in a NSDictionary, the keys should be equal to the titles)
+* items, which should be in a picker item (As a NSArray of NSStrings, stored in a NSDictionary, the keys should be equal to the titles)
-- the frame for every picker item (As a CGRect stored as a NSValue in a NSArray)
+* the frame for every picker item (As a CGRect stored as a NSValue in a NSArray)
-- selected items in every picker item (As a NSNumber stored in a NSArray)
+* selected items in every picker item (As a NSNumber stored in a NSArray)
-- the height of every item in the picker item
+* the height of every item in the picker item
 For example with two pickers in the pickerView:
@@ Line 60: / Line 61: @@
 /*	Method sets the background views for the pickers
-	bgViews		an array of background views for the pickers
+ 	bgViews		an array of background views for the pickers
+ 	YOU should have for every Picker one background view
+ */
+-(void) setBackgroundViews: (NSArray*) bgViews;
+/*	Method sets the selected background views for the pickers
+	bgViews		an array of selected background views for the pickers
 	YOU should have for every Picker one background view
@@ Line 107: / Line 116: @@
 @end
 </source>
 === PickerView.m ===
 <source lang="objc">
@@ Line 151: / Line 161: @@
 /*	Method sets the background views for the pickers
+	bgViews		an array of background views for the pickers
+	YOU should have for every Picker one background view
+ */
+-(void) setBackgroundViews: (NSArray*) bgViews{
+	//If bgViews count is not equal to the picker view count
+	if ([bgViews count] !=[self.titleArray count]) {
+		return;
+	}
+	for (int i=0; i<[self.titleArray count]; i++) {
+		UIView* newView=[bgViews objectAtIndex:i];
+		if (!newView) {
+			return;
+		}
+		int index=10004+i*10;
+		UIView* v=[self.baseView viewWithTag:index];
+		newView.frame=v.frame;
+		[v.superview insertSubview:newView belowSubview:v];
+		[v removeFromSuperview];
+	}
+}
+/*	Method sets the selected background views for the pickers
-	bgViews		an array of background views for the pickers
+	bgViews		an array of selected background views for the pickers
-	YOU should have for every Picker one background view
+	YOU should have for every Picker one selected background view
   */
 -(void) setSelectedBackgroundViews: (NSArray*) bgViews{
@@ Line 499: / Line 533: @@
 </source>
-[[Category:IOS, Cocoa, IPad, IPhone, IPodTouch, Mobile Development, Objective-C, Programmiersprachen]]
+[[Category:IOS]]
+[[Category:Cocoa]]
+[[Category:IPad]]
+[[Category:IPhone]]
+[[Category:IPodTouch]]
+[[Category:Mobile Development]]
+[[Category:Objective-C]]
+[[Category:Programmiersprachen]]