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• How can I add a portrait layout on top of a landscape Camera SurfaceView?

  - by user319919

  I need a Camera SurfaceView for my application. The camera should be set to fixed landscape view which is done by setting android:screenOrientation="landscape" for the activity in the AndroidManifest.xml. After doing some experiments and Google researches trying to use setRotation(int) inside the camera preview implementation, I came to the conclusion, that it is obviously the common practice to get a preview with correct behaviour. Now the camera preview itself looks fine for landscape orientation. But I need to have an overlay that holds a bunch of buttons. Due to usability the user interface should be in portrait view (or even better orientation aware). There seemed no other option to me, but to fix the activity screenOrientation, so that the camera preview looks normal (in portrait mode the whole view is streched and rotated to the left) Is there a workaround to get my buttons back to portrait orientation? Or another overall approach to deal with the camera view? Parameters.setRotation(int) obvisouly didnt work. I am quite new to the Android plattform programming. Of course I dont know much about the programming tricks and workarounds yet. I did a lot of research over the last two weeks, but couldnt find the right solution so far.

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• How to Read some of the properties of the ItemSource when Laying out the Children?

  - by user275561

  Assume that I have the ItemSource bound and i am getting the data. Now what I want is this. The ItemSource will contain Data that tells where each button should be. For Example: The first Button could be at Left:200,Top:0, the Second could be Left:50 Top:20. </ItemsControl.Resources> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <Controls:MatrixCanvas /> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> <ItemsControl.ItemTemplate> <DataTemplate> <item:CustomButton Height="{Binding btnSize}" Width="{Binding btnSize}" Style="{Binding bbColor,Converter={StaticResource ButtonStyleConverter}}" /> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> protected override Size ArrangeOverride(Size finalSize) { foreach (var child in Children) { //The child } return base.ArrangeOverride(finalSize); } The Child however is not giving me access to the Item that I want. Is their a good solution for this? Am I going about this the wrong way? The reason I am doing it like this is because their can be buttons added dynamically, removed, some buttons will need to move around etc..

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• Java: Altering UI fonts (Nimbus) doesn't work!

  - by ivan_ivanovich_ivanoff

  Hello! I'm referring to this Nimbus reference. I tried to set global Font to be slightly larger: UIManager.put("defaultFont", new Font(Font.SANS_SERIF, 0, 16)); ...works only for the menu but nothing else (buttons, labels). I tried to change labels and buttons fonts with UIManager.put("Button.font", new Font(Font.SANS_SERIF, 0, 16)); UIManager.put("Label.font", new Font(Font.SANS_SERIF, 0, 16)); but the font remains. The only thing that worked for me was deriving a font: someButton.setFont(someButton.getFont().deriveFont(16f)); But this is not an option, since this must be done for each element manually. Note, that deriving a font for UIManager doesn't work either: UIManager.put("Label.font", UIManager.getFont("Label.font").deriveFont(16f)); I tested everything under Linux and Windows: same behavior. I just can't understand how an API can be so messy. If a method is called setFont(..) then I expect it to set the font. If this method fails to set the font in any thinkable circumstances, then it should be deprecated. EDIT: The problem not only applies to Nimbus, but also to the default LAF.

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• How can I create "glass" effect on my own UIViews?

  - by lindes

  Hi there, I'm working on an iPhone app that has some non-rectangular UI elements. Currently, I'm subclassing UIView, and in drawRect I'm using a CGPathRef to draw black border and a color-filled interior. I'd like to make these items look more like "buttons", though, so I'd like to have some of the same sort of "glass effects" that are used on e.g. the icons for an iPhone app (when you don't set UIPrerenderedIcon to true), or in other buttons. I hunted around, and found this, which seems to be close to what I need: http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone But I'm having difficulty figuring out how to clip the gradient to my shape. It seems like the mask property on the view would be the right place to go, which seems like it would call for me to create a new CALayer object, with the clipping somehow applied to it. I'm hoping there's some nice convenience function for doing this, though if I need to write something more complicated, that's OK, too. I'm just having difficulty figuring out how to apply the path as a mask. I'm unsure if I need to create a new drawing context and draw the path into it? And then use CGContextClip? I think I've got a lot of the right pieces figured out, I'm just having difficulty understanding how to assemble them. Could someone please point me in the right direction? (I'm happy to read more in the docs, just point me in the right direction, please.)

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• a selective dual command binding converter in WPF?

  - by Jippers

  I'll start off and say I am not using the MVVM pattern for my WPF app. Please forgive me. Right now I have a data template with two buttons, each binds to a different command on the CLR object this data template represents. Both use the same command parameter. Here's an example of the buttons. <Button x:Name="Button1" Command="{Binding Path=Command1}" CommandParameter="{Binding Path=Text, ElementName=TextBox1}" /> <Button x:Name="Button2" Command="{Binding Path=Command2}" CommandParameter="{Binding Path=Text, ElementName=TextBox1}" /> I would like to refactor this into a single button that can perform either command based on a user setting like a boolean in Settings.settings. I don't have access to refactoring the CLR object itself. Also this is a Data Template there isn't codebehind for me to work with. My take is that a converter would be the best bet, but I don't know how I would put that together. The converter would need to take in the CommandParameter, as well as the DataContext so it knows which object to execute the Commands on. Can someone lend me a hand with this? Thanks in advance.

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• Sencha touch 2/ app workflow with navigation view

  - by eplatonov

  I am trying to understand how can I implement the same functionality which provides navigation view in sencha touch 2, but .... Each item of the 'Ext.NavigationView' component should have it's own unique set of 'navigationBar' elements. I mean set of buttons, for example. I know that I can do something like this: this.getMain().getNavigationBar().rightBox.removeAll(); this.getMain().getNavigationBar().rightBox.add(this.getSettingButton()); //where 'getSettingButton' predefined by me a button And do this action each time when 'push' event happens (clear 'navigationBar' and add appropriate set of buttons) Of course, I even can implement 'Ext.Panel' with 'layout: card' and set of 'Ext.panel' elements in the 'items' property, each of which will be have unique 'toolbar'. To control the behavior I can use 'setActiveItem' method. But, I think each of these approaches is a bit weird, isn't it? I expected that would be much more natural approach to implement it. Most likely I don't know what I need. Confirm my doubts. What is the best way to do it.

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• Memory leak, again!

  - by Dave

  A couple of weeks ago I was having trouble with memory leaks associated with a ContextMenuStrip. That problem was fixed. See that question here Now I'm having similar issues with ToolStrip controls. As in the previous problem, I'm creating a large number of UserControls and adding them to a FlowLayoutPanel. Each control creates a ToolStrip for itself in its constructor. When a control is removed from the FlowLayoutPanel (the only reference to the control), it seems memory for the ToolStrip is not being released. However when I comment out the code that creates the ToolStrip the memory leak doesn't happen. Is this the same sort of issue as the previous one - I need to set the ToolStrip to null? I don't see how that could be since this time the control is creating the strip itself, and all the button events etc are handled inside it. So shouldn't everything be GC'd when the control is no longer referenced? EDIT: As to the comments, the thing I don't understand is originally I was "making" my own toolstrip out of a panel and some labels. The labels were used as buttons. No memory leaks occurred this way. The only thing I've changed is using a proper ToolStrip with proper buttons in place of the panel, but all the event handlers are wired the same way. So why is it now leaking memory?

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• Classic ASP on IIS 7

  - by jagr

  Hi, I am having problems with my app running on IIS 7. The application is a mixture of classic ASP and ASP.NET MVC (don't ask how and why). Anyway, the application is up and running except for some problems that I am experiencing. For example, I have a button on my page and when I click it, javascript is opening a popup which needs to contain .asp page. But that doesn't happen. I get the blank popup with my cursor on busy as it still loads. This is happening almost always to me in IE. In Firefox it is much better but sometimes the app jams there too. If I close the opened, blank popup, and I want to move around the application, my buttons in menu (which are also .asp) doesn't load properly. For example, I have different buttons for different sections and when I move around they should change. When I restart the browser, only then everything works normal for some time, but the problem occurs again after a while. I am very sure that it is not the problem in application itself, because it works properly on the machines of my colleagues without those problems. They have the same OS (Vista Professional) and we compared the settings in IIS and they match. So I am very confused, and I really don't know how to solve the problem. I found a bunch of articles and blog posts about classic ASP and IIS7 but most of them are about enabling asp, which I already did. So I am suspecting that something wrong with IIS, but I don't know what, tried to reinstall it, hoping for some improvement, but I had no luck. If you need more details please ask. Does anyone have any idea what should I try or do?

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• How to make jquery hover event fire repeatedly.

  - by clinthorner

  I have a infinite carousel that I want to move when I hover over the next and previous buttons. Right now hover only fires this once. I want the carousel to continue moving while the mouse is within the next or previous buttons. Any Suggestions? jQuery.fn.carousel = function(previous, next, options){ var sliderList = jQuery(this).children()[0]; if (sliderList) { var increment = jQuery(sliderList).children().outerWidth("true"), elmnts = jQuery(sliderList).children(), numElmts = elmnts.length, sizeFirstElmnt = increment, shownInViewport = Math.round(jQuery(this).width() / sizeFirstElmnt), firstElementOnViewPort = 1, isAnimating = false; for (i = 0; i < shownInViewport; i++) { jQuery(sliderList).css('width',(numElmts+shownInViewport)*increment + increment + "px"); jQuery(sliderList).append(jQuery(elmnts[i]).clone()); } jQuery(previous).hover(function(event){ if (!isAnimating) { if (firstElementOnViewPort == 1) { jQuery(sliderList).css('left', "-" + numElmts * sizeFirstElmnt + "px"); firstElementOnViewPort = numElmts; } else { firstElementOnViewPort--; } jQuery(sliderList).animate({ left: "+=" + increment, y: 0, queue: true }, "swing", function(){isAnimating = false;}); isAnimating = true; } }); jQuery(next).hover(function(event){ if (!isAnimating) { if (firstElementOnViewPort > numElmts) { firstElementOnViewPort = 2; jQuery(sliderList).css('left', "0px"); } else { firstElementOnViewPort++; } jQuery(sliderList).animate({ left: "-=" + increment, y: 0, queue: true }, "swing", function(){isAnimating = false;}); isAnimating = true; } }); } };

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• "Outward" border-radius in css?

  - by MaxMackie

  Currently, the links at the top of my website look like this: However, I am trying to "round" the bottom edges of the buttons to make it look like they are coming out of the page and into the ribbon at the top. I am aware that you can hack it and add a "separator" div with rounded corners between each entry, but this would be difficult to do seeing at the borders used are not all from the same div. Also, it wouldn't be easy seeing as my buttons are very close to each other. The css for the "button": .button { border-top: 3px solid #A1C1BE; border-left: 3px solid #A1C1BE; border-right: 3px solid #A1C1BE; border-bottom: 0px; padding: 5px 8px 5px 8px; margin: 0 0 -9px 0; border-radius: 5px 5px 0 0; font-size: 12px; font-family: 'PT Sans', sans-serif; background-color: #f8f8ff; color: #484848; } css for the "ribbon": #top-wrapper { border-bottom: 5px solid #A1C1BE; width: 100%; background-color: #59554E; padding: 10px 0 0 0; color: #C0C0A8; } As you can see, the thicker border belongs to the ribbon which stretches the length of the webpage, whereas the thinner blue border is part of the button.

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• How to create databinding over two xaml files?

  - by BionicGecko

  Hello, I am trying to come to a working understanding of how databinding works, but even after several tutorials I only have a basic understanding of how databinding works. Thus this question might seem fundamental to those more familiar with silverlight. Even if it is trivial, please point me to some tutorial that deals with this problem. All that I could find simply solved this via adding the data binding on a parent page.xaml (that i must not use in my case). For the sake of this example let us assume, that we have 5 files: starter.cs button1.xaml + codeBehind button2.xaml + codeBehind The two buttons are generated in code in the starter(.cs) file, and then added to some MapLayer button1 my_button1 = new button1(); button2 my_button1 = new button2(); someLayer.Children.Add(my_button1); someLayer.Children.Add(my_button2); My aim is to connect the two buttons, so that they always display the same "text" (i.e. my_button1.content==my_button2.content = true;). Thus when something changes my_button1.content this change should be propagated to the other button (two way binding). At the moment my button1.xaml looks like this: <Grid x:Name="LayoutRoot"> <Button x:Name="x_button1" Margin="0,0,0,0" Content="{Binding ElementName=x_button2, Path=Content}" ClickMode="Press" Click="button1_Click"/> </Grid> But everthing that i get out of that is a button with no content at all, it is just blank as the binding silently fails. How could I create the databinding in the context I described? Preferably in code and not XAML ;) Thanks in advance

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• Over ride default look and feel Java

  - by Aizaz

  I want to over ride java look and feel. I just want to show the buttons differently. I want all the features of Windows Look and Feel but only buttons differently. I hope you get my point. Color color = new Color(220, 220, 220, 200); UIManager.put("OptionPane.background", color); UIManager.put("Panel.background", color); UIManager.put("Button.foreground", new Color(255, 255, 255, 255)); List<Object> gradients = new ArrayList<Object>(5); gradients.add(0.00f); gradients.add(0.00f); gradients.add(new Color(0xC1C1C1)); gradients.add(new Color(0xFFFFFF)); gradients.add(new Color(0x5C5D5C)); UIManager.put("Button.gradient", gradients); UIManager.put("Button.highlight",Color.RED); UIManager.setLookAndFeel(com.sun.java.swing.plaf.windows.WindowsLookAndFeel);

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• How to shrink the ASPX page

  - by salvationishere

  I am developing a C#/ASP.NET web application in VS 2008. Currently this page is too tall. The buttons appear on top and then there is a large gap between these buttons and the resultLabel text. The following code is from my ASPX file. I have tried switching to the Design tab of this file and manually moving this label, but there is still a large gap. I'm sure this is simple. How do I correct this? Text="Now select from the dropdownlists which table columns from my database you want to map these fields to"     <table align="center"><tr> <td style="text-align: center;width: 300px;"> <asp:Label ID="resultLabel" runat="server" style="position:absolute; text-align:center; top:148px; left: 155px;" Visible="False"></asp:Label> </td></tr></table> <p>

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• ASP.Net MVC 2 - How to set up a Cancel button with client side navigation

  - by arame3333

  Thanks to a previous question I found a useful link on multiple buttons. http://weblogs.asp.net/dfindley/archive/2009/05/31/asp-net-mvc-multiple-buttons-in-the-same-form.aspx What I want to do is have a cancel button on my page, similar to this; <button name="button" type="button" onclick="document.location.href=$('#cancelUrl').attr('href')">Cancel</button> <a id="cancelUrl" href="<%: Url.Action("Index", "Home") %>" style="display:none;"></a> However although this code works, I really want to go back to the previous page. For Web Forms I could use the javascript Back() or Go(-1) functions, but they relied on postbacks. I could of course hard code the previous page and controller as I have done above. However I am struggling to find links that explain to me how Url.Action works. Because if I do this, I also need to include an index parameter, and I am not clear how the syntax works for that. It seems odd the amount of coding to do this. Out of curiosity, I am also wondering how you TDD client side code like this.

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• FindControl() from UserControl inside a for loop

  - by Kyle

  I'm creating a usercontrol that will have a series of LinkButtons. I've declared all of my link buttons at the top of my class LinkButton LB1 = new LinkButton(); LinkButton LB2 = new LinkButton(); //... LinkButton LB9 = new LinkButton(); now I'd like to be able to create a loop to access all of those link buttons so I don't have to write them all out every time. I tried something like this within my overridden CreateChildControls() method: for (int i = 1; i < 10; i++) { LinkButton lb = (LinkButton)FindControl("LB" + i.ToString()); lb.Text = i.ToString() + "-Button"; } I keep getting an exception saying that lb.Text... is not set to an instance of an object. I also tried giving all of my LB1, LB2 etc valid Ids. ie: LB1.ID = "LB1"; still not dice. how can I do this?

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• How to use jQuery to show/hide divs based on radio button selection?

  - by manoj382

  Hello, I have some radio buttons and I'd like to have different hidden divs show up based on which radio button is selected. Here's what the HTML looks like: <form name="form1" id="my_form" method="post" action=""> <div><label><input type="radio" name="group1" value="opt1">opt1</label></div> <div><label><input type="radio" name="group1" value="opt2">opt2</label></div> <div><label><input type="radio" name="group1" value="opt3">opt3</label></div> <input type="submit" value="Submit"> </form> .... <style type="text/css"> .desc { display: none; } </style> .... <div id="opt1" class="desc">lorem ipsum dolor</div> <div id="opt2" class="desc">consectetur adipisicing</div> <div id="opt3" class="desc">sed do eiusmod tempor</div> And here's my jQuery: $(document).ready(function(){ $("input[name$='group2']").click(function() { var test = $(this).val(); $("#"+test).show(); }); }); The reason I'm doing it that way is because my radio buttons and divs are being generated dynamically (the value of the radio button will always have a corresponding div). The code above works partially - the divs will show when the correct button is checked, but I need to add in some code to make the divs hide again once the button is unchecked. Thanks!

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• Java swing app can't find image

  - by KáGé

  Hello, I'm making a torpedo game for school in java with swing gui, please see the zipped source HERE. I use custom button icons and mouse cursors of images stored in the /bin/resource/graphics/default folder's subfolders, where the root folder is the program's root folder (it will be the root in the final .jar as well I suppose) which apart from "bin" contains a "main" folder with all the classes. The relative path of the resources is stored in MapStruct.java's shipPath and mapPath variables. Now Battlefield.java's PutPanel class finds them all right and sets up its buttons' icons fine, but every other class fail to get their icons, e.g. Table.java's setCursor, which should set the mouse cursor for all its elements for the selected ship's image or Field.java's this.button.setIcon(icon); in the constructor, which should set the icon for the buttons of the "water". I watched with debug what happens, and the images stay null after loading, though the paths seem to be correct. I've also tried to write a test file in the image folder but the method returns a filenotfound exception. I've tried to get the path of the class to see if it runs from the supposed place and it seems it does, so I really can't find the problem now. Could anyone please help me? Thank you.

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• How can I force a jQuery faded-in user control to remain after click events?

  - by David

  I have a basic page to which I'm adding an uploader control based on Bulk Uploader at c-sharpcorner.com and the control is in a jQuery-faded div based on yesdegisn The Bulk Uploader has two server side event handlers for two buttons--Add and Remove. After clicking these buttons, the fade disappears and you're back to the basic page--if the user needs to add more files, this is not desirable. The ArrayList of files added to a ListBox is maintained, but I have to click the "fade-in" link (LinkButton id="lnkDocumentUpload") to display this window again. I also need the control to POST to UploadPost.aspx, and it doesn't work either. Clicking the upload button(<asp:Button ID="btnUpload" runat="server" />) has the same behavior described above--fade disappears, data is retained, and no POST. I've surrounded the control with <form id="frmUpload" action="~/UploadPost.aspx"> ... <asp:Button ID="btnUpload" runat="server" Text="Upload"/> </form> A LinkButton activates the fade in jQuery via $("#lnkDocumentUpload").click(function() { centerPopup(); loadPopup(); });

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• Set scaleX property on a Sprite without altering the child inside

  - by grammar

  Is this possible? My site is set up with next and prev buttons on the right and left sides respectively, and as you roll over either of the hit areas around the buttons a Sprite fades in which contains a TextField that describes the next page. Said Sprite calls the StartDrag() method, so it follows the mouse within the bounds, which is all fine and dandy on the left side of the page. Adobe, however, seems to have forgotten to put a way to dynamically alter the registration point of a Sprite, MC, whatever else, so when you roll over the right side of the page, the sprite is displayed from the top left and is mostly off the stage. Trying to hack this problem I have tried numerous things ( classes written by others, other hacks) and the best that I have found is to use the scaleX method on the Sprite, changing the scale to -1. This, of course, makes the Sprite seem like it's reflected from its normal point, which means all its children show up backwards. Is there anyway I can use this hack without it altering the text? OR Does anyone know a different way to go about displaying a Sprite from another corner? Any way to make a Sprite fade in and follow the mouse on the LEFT HAND side of the mouse pointer? Thank you very much in advance. Here is a snippet to give an idea of what's happening: naxtPage.labelBG.scaleX = -1; nextPage.labelBG.startDrag( true, nextHitRect ); nextPage.labelBG.x = nextPage.labelBG.parent.mouseX; nextPage.labelBG.y = nextPage.labelBG.parent.mouseY; Cheers

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• Can I add a portrait layout on top of a landscape Camera SurfaceView?

  - by Uwe Krass

  My application should hold a camera preview surface. The camera is fixed to landscape view via AndroidMainfest.xml <application android:icon="@drawable/icon" android:label="Camera"> <uses-library android:name="com.google.android.maps" /> <uses-feature android:name="android.hardware.camera" /> <uses-feature android:name="android.hardware.camera.autofocus" /> <activity android:name=".CameraPreview" android:label="Camera" android:screenOrientation="landscape"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> If there is another way to get the camera preview itself to behave correctly, please let me know. Now I need to have an overlay that holds a bunch of buttons. Due to usability, the user interface should be set to portrait view (or even better orientation aware). Is there a way to have a transparent layout (for buttons and other GUI elements) in portrait orientation? I tried to write a special rotated layout by extending a RelativeLayout, but the onDraw method isn't called at anytime. public class RotatedOverlay extends RelativeLayout { private static final String TAG = "RotatedOverlay"; public RotatedOverlay(Context context, AttributeSet attrs ) { super(context, attrs); } @Override protected void onDraw(Canvas canvas) { canvas.rotate(90); super.onDraw(canvas); } I am quite new to the Android plattform programming. Of course I dont know much about the programming tricks and workarounds yet. I did a lot of research over the last two weeks (even studied the native Camera implementation), but couldnt find a good solution so far. Maybe it works with two seperate Activities, but I dont think, that this can the right solution.

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• JavaFX 2.0 - How to change legend color of a LineChart dynamically?

  - by marie

  I am trying to style my JavaFX linechart but I have some trouble with the legend. I know how to change the legend color of a line chart in the css file: .default-color0.chart-series-line { -fx-stroke: #FF0000, white; } .default-color1.chart-series-line { -fx-stroke: #00FF00, white; } .default-color2.chart-series-line { -fx-stroke: #0000FF, white; } .default-color0.chart-line-symbol { -fx-background-color: #FF0000, white; } .default-color1.chart-line-symbol { -fx-background-color: #00FF00, white; } .default-color2.chart-line-symbol { -fx-background-color: #0000FF, white; } But this is not enough for my purposes. I have three or more colored toggle buttons and a series of data for every button. The data should be displayed in the same color the button has after I have selected the button. This should be possible with a multiselection of the buttons, so that more than one series of data can be displayed simultaneously. For the chart lines I have managed it by changing the style after I clicked the button: .. dataList.add(series); .. series.getNode().setStyle("-fx-stroke: rgba(" + rgba + ")"); If I deselect the button I remove the data from the list. dataList.remove(series); That is working fine for the strokes, but how can I do the same for the legend? You can see an example below. First I clicked the red button, thus the stroke and the legend is red (default-color0). After that I clicked the blue button. Here you can see the problem. The stroke is blue but the legend is green, because default color1 is used and I do not know how to change the legend color.

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• Issue on dojo onlick event on html button

  - by Cuong Le

  I am a new kid with dojo, I got weird issue which I take lots of time and have not yet found out, assume I have 4 buttons: <button id="btnMoveFirst" data-dojo-type="dijit.form.Button" iconclass="plusIcon"> &lt; &lt;</button> <button id="btnMovePrev" data-dojo-type="dijit.form.Button" iconclass="plusIcon"> &lt;</button> <button id="btnMoveNext" data-dojo-type="dijit.form.Button" iconclass="plusIcon"> &gt;</button> <button id="btnMoveLast" data-dojo-type="dijit.form.Button" iconclass="plusIcon"> &gt; &gt;</button> And use dojo with event onclick as below: dojo.connect(dijit.registry.byId('btnMoveFirst'), "onclick", function(evt){ alert('test1'); }); dojo.connect(dijit.registry.byId('btnMovePrev'), "onclick", function(evt){ alert('test2'); }); dojo.connect(dijit.registry.byId('btnMoveNext'), "onclick", function(evt){ alert('test3'); }); dojo.connect(dijit.registry.byId('btnMoveLast'), "onclick", function(evt){ alert('test4'); }); But when I click any one of 4 buttons, or even any button in form, I got 4 alerts instead of only correct one. Does anyone know this?

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• Get a selected radio button value after POST to set other fields enabled/disabled

  - by Redeemed1

  I have an MVC application with a simple control to all selection of All Dates or selecting a Date Range. The radio buttons have an onclick handler to enable/disable the dat pickers. All work well so far. When I try to set the correct context state for the datepickers after doing a POST I cannot get the jQuery selector to return the radio buttons checked value. The code is as follows: <%= Html.RadioButton("DateSelection.AllDates", "AllDates", Model.AllDates == "AllDates", new { onclick = "setReadOnly(this);" })%>ALL Dates&nbsp; <%= Html.RadioButton("DateSelection.AllDates", "Selection", Model.AllDates == "Selection", new { onclick = "setReadOnly(this);" })%>Selection <%= Html.DatePicker("DateSelection.startdate", Model.StartDate, "", "") %> &nbsp;To&nbsp;<%= Html.DatePicker("DateSelection.enddate", Model.EndDate, "", "") %><br /> The javascript is as follows: <script type="text/jscript" > function setReadOnly(obj) { if (obj.value == "Selection") { $('#DateSelection_startdate').css('backgroundColor', '#ffffff') .removeAttr('readonly') .datepicker('enable'); $('#DateSelection_enddate').css('backgroundColor', '#ffffff') .removeAttr('readonly') .datepicker('enable'); } else { $('#DateSelection_startdate').css('backgroundColor', '#eeeeee') .attr('readonly', 'readonly') .val('') .datepicker('disable'); $('#DateSelection_enddate').css('backgroundColor', '#eeeeee') .attr('readonly', 'readonly') .val('') .datepicker('disable'); } } <script type="text/jscript"> $(document).ready(function() { $('#DateSelection_startdate').datepicker('disable').css('backgroundColor', '#eeeeee') .attr('readonly', 'readonly') .val(''); $('#DateSelection_enddate').datepicker('disable').css('backgroundColor', '#eeeeee') .attr('readonly', 'readonly') .val(''); var selected = $('#DateSelection_AllDates:checked'); setReadOnly(selected); }); The javascript line that is causing the problem is var selected = $('#DateSelection_AllDates:checked'); which will NOT return the checked radio button. Using var selected = $('#DateSelection_AllDates'); will return the first radio button value as expected i.e. applying the ':checked' filter ALWAYS returns undefined. Can anyone see anything wrong here?

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• UIButton only responds in a small area

  - by Tom Irving

  I'm trying to add a UIButton to a UIView, but am having some trouble with getting it to respond to touches. I have a method which returns UIButtons after I provide it with a tag: - (UIButton*)niceSizeButtonWithTag:(int)tag { UIButton * aButton = [UIButton buttonWithType:UIButtonTypeCustom]; [aButton setTag:tag]; [aButton addTarget:self action:@selector(buttonWasTapped:) forControlEvents:UIControlEventTouchUpInside]; CGRect newFrame = aButton.frame; newFrame.size.width = 44; newFrame.size.height = 44; [aButton setFrame:newFrame]; return aButton; } As you can see I'm creating a new button and increasing the size. I use this in the following way: UIButton * anotherButton = [self niceSizeButtonWithTag:1]; [anotherButton setImage:[UIImage imageNamed:@"image" withExtension:@"png"] forState:UIControlStateNormal]; [anotherButton setCenter:CGPointMake(middleOfView)]; [aView addSubview:anotherButton]; I create a lot of buttons like this, hence the reason for the method. The buttons are always created and added to the subview perfectly. I can see the image and they're in the correct position. The problem is that they only respond to touches in a tiny strip. In this attached image, The yellow shows the whole frame of the button, The red shows the area that will respond to touches. The grey shows a section of the view the button is added to. If anyone could shed some light on why this is happening, it would be really useful.

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• Playing video and audio in iPhone not working...

  - by Scott

  So we have buttons linked up to display images/videos/audio on click depending on a check we do earlier. That part works fine. It knows which one to play, however, when we click the buttons for video and audio, nothing happens. The image one works fine. The video and audio are being taken for a URL online, they are not local, but everywhere said this was still possible. Here is a little snippet of the code where we play the two files: if ( [fName hasSuffix:@".png"]) { NSLog(@"PICTURE"); NSURL *url = [NSURL URLWithString: fName]; UIImage *image = [UIImage imageWithData: [NSData dataWithContentsOfURL:url]]; self.view = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; // self.view.backgroundColor = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"MainBG.jpg"]]; [self.view addSubview:[[UIImageView alloc] initWithImage:image]]; } if ( [fName hasSuffix:@".mp4"]) { NSLog(@"VIDEO"); //NSString *path = [[NSBundle mainBundle] pathForResource:fName ofType:@"mp4"]; //NSLog(path); NSURL *url = [NSURL fileURLWithPath:fName]; MPMoviePlayerController *player = [[MPMoviePlayerController alloc] initWithContentURL:url]; [player play]; } if ( [fName hasSuffix:@".mp3"]) { NSLog(@"AUDIO"); NSURL *url = [NSURL fileURLWithPath:fName]; NSData *soundData = [NSData dataWithContentsOfURL:url]; AVAudioPlayer *avPlayer = [[AVAudioPlayer alloc] initWithData:soundData error: nil]; [avPlayer play]; } See anything wrong? By the way it compiles and runs, but nothing happens when we hit the button that executes that code.

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