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• 404 on custom post types after updating Wordpress to 3.7

  - by Chris

  Since I updated Wordpress from 3.6 to 3.7, I'm not able to visit the single-pages on my custom post types, then I get a 404 error. I thought this would be a rewrite_rules issue, so I've tried the following: -Go to the Permalink settings, click save (flush rewrites) -Manually deleted the rewrite_rules from the option table in the DB (I was desparate, and it seriously worked for me one time) -Re-check my .htaccess, but this is the exactly same as instructed on the permalink page -switched off the plugins I also tried switching the permalink to the "ugly" url (eg. ?page=35) and check if the articles worked, and they did! So I'm pretty sure it's a permalink issue. Now I rolled back to 3.6 again, but I of course want to upgrade in the near future (security etc.). A remarkable thing was that during the rollback I checked out a single page (notice that I didn't rolled back the database yet, only the files) and surprisingly they worked again. Any suggestions on how to solve this?

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• Is there a way to inspect all controller variables at once in Rails?

  - by m.u.sheikh

  I am exploring an big controller method, with about 10 or so instance variables. Some of them are set in before_filter methods, and some others inside the method itself. I want to inspect them with puts, but dont want to write all of them out example: puts "var1: #{@var1.inspect}....var15: #{@var15.inspect}" Is there a generic method that will display all the instance variables with an @ sign set so far in the current method? If not, what is the next best way to inspect all of them at once without having to write all of them in a puts statement?

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• ASP.NET Custom Control With A Property That Is An Interface

  - by user129674

  I want to have a property on my custom control that is an interface type. For example: [ ToolboxData("<{0}:MyTextBox runat=server></{0}:MyTextBox"), ParseChildren(true, "Validation") ] class MyTextBox : WebControl { [ Category("Behavior"), Description("The validation to use"), DesignerSerializationVisibility(DesignerSerializationVisibility.Content), PersistenceMode(PersistenceMode.InnerDefaultProperty) ] public IValidation Validation { get; set; } } Then when I go to use my control in a web form I would like to be able to do: <my:MyTextBox ID="txt" runat="server"> <my:FancyValidator /> </my:MyTextBox> That way I will be able to define one class that could use any number of validators. When I try and do this now, I end up with an error saying: Type 'IValidator' does not have a public property named 'FancyValidator' What do I need to do to make this work? Thanks!

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• Custom Tag Issue

  - by user1304570

  I got a problem in making custom tag in jsf2.0 for authentication.Actually I made a sample it get run successfully But When i am merging it with my project Its component class get skipped out.But When I remove Follwing entry from web.xml <context-param> <param-name> org.jboss.jbossfaces.JSF_CONFIG_NAME </param-name> <param-value>MyFaces-2.0</param-value> </context-param> It get run success fully .But It show a red line text in every page of my project i.e One or more resources have the target of 'head', but no 'head' component has been defined within the view.**

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• Windows 7 PATH not expanding

  - by trinithis

  I am using the following to create and edit environment variables for Windows 7. Control Panel\All Control Panel Items\System -> Advanced system settings -> Environment Variables Under System variables I have the following pertinant variables: PROG32=C:\Program Files (x86) REALDWG_SDK_DIR=%PROG32%\Autodesk\RealDWG 2011 Path=%REALDWG_SDK_DIR%;%PROG32%\Haskell\bin However, the following happens: C:\>echo %PROG32% C:\Program Files (x86) C:\>echo %Path% %REALDWG_SDK_DIR%;C:\Program Files (x86)\Haskell\bin Is it possible to have a chain of variables expand? If I rename Path to something else, I sometimes get the problem, and sometimes I don't.

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• Custom Checkbox style for WPF

  - by lorddarq

  I would like to skin a wpf default checkbox to something custom. Since it does not really make sense to start off a entirely new control, i'd like to override the Windows Chrome template binding for the Bulletchrome sub component of the checkbox. However I cannot do this like I can with checkboxes for example. tried using something like this to override the default style, but it seems to not compile like this <Style x:Key="cb_BULLETSTYLE" TargetType="{x:Type BulletDecorator}"> <Setter Property="OverridesDefaultStyle" Value="true"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type BulletDecorator}"> <Border x:Name="Chrome" SnapsToDevicePixels="true" BorderBrush="{x:Null}" BorderThickness="0"> </Border> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Background" TargetName="Chrome" Value="#FF4C4C4C"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter>

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• JQuery Ajax error handling, show custom exception messages

  Hey Folks, I am wondering if there is some way where I can show custom exception messages as an alert in my Jquery ajax error message. For example, say if I want to throw an exception in server side via Struts by "throw new ApplicationException("User name already exists");", I want to catch this message(User name already exists) in Jquery ajax error message. jQuery("#save").click(function(){ if(jQuery('#form').jVal()){ jQuery.ajax({ type: "POST", url: "saveuser.do", dataType:"html", data:"userId="+encodeURIComponent(trim(document.forms[0].userId.value)), success:function(response){ jQuery("#usergrid").trigger("reloadGrid"); clear(); alert("Details saved successfully!!!"); }, error:function (xhr, ajaxOptions, thrownError){ alert(xhr.status); alert(thrownError); } }); } } ); On the second alert where I alert thrown error, I am getting undefined and the status code is 500. I am not sure where I am going wrong. Please let me know on this. Thanks, Dukes

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• How to create this MongoMapper custom data type?

  - by Kapslok

  I'm trying to create a custom MongoMapper data type in RoR 2.3.5 called Translatable: class Translatable < String def initialize(translation, culture="en") end def languages end def has_translation(culture)? end def self.to_mongo(value) end def self.from_mongo(value) end end I want to be able to use it like this: class Page include MongoMapper::Document key :title, Translatable, :required => true key :content, String end Then implement like this: p = Page.new p.title = "Hello" p.title(:fr) = "Bonjour" p.title(:es) = "Hola" p.content = "Some content here" p.save p = Page.first p.languages => [:en, :fr, :es] p.has_translation(:fr) => true en = p.title => "Hello" en = p.title(:en) => "Hello" fr = p.title(:fr) => "Bonjour" es = p.title(:es) => "Hola" In mongoDB I imagine the information would be stored like: { "_id" : ObjectId("4b98cd7803bca46ca6000002"), "title" : { "en" : "Hello", "fr" : "Bonjour", "es" : "Hola" }, "content" : "Some content here" } So Page.title is a string that defaults to English (:en) when culture is not specified. I would really appreciate any help.

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• Custom Error Handling

  - by Michael

  Using GoDaddy to host my site (I know that's my first problem)! :-) Trying to setup custom error messages for my site using IIS7. GoDaddy allows you to setup a 404 in their control panel, but I can't override this, or setup any additional error redirects, specifically a 500-server error. Here is my web.config file: <configuration> <system.webServer> <rewrite> <rules> <rule name="Redirect to WWW" stopProcessing="true"> <match url=".*" /> <conditions> <add input="{HTTP_HOST}" pattern="^mysite.com$" /> </conditions> <action type="Redirect" url="http://www.mysite.com/{R:0}" redirectType="Permanent" /> </rule> </rules> </rewrite> </system.webServer> <system.web> <customErrors mode="On" defaultRedirect="http://www.mysite.com/oops.php"> <error statusCode="404" redirect="http://www.mysite.com/oops.php?error=404" /> <error statusCode="500" redirect="http://www.mysite.com/oops.php?error=500" /> </customErrors> </system.web> </configuration>

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• How to build a GridView like DataBound Templated Custom ASP.NET Server Control

  - by Deyan

  I am trying to develop a very simple templated custom server control that resembles GridView. Basically, I want the control to be added in the .aspx page like this: <cc:SimpleGrid ID="SimpleGrid1" runat="server"> <TemplatedColumn>ID: <%# Eval("ID") %></ TemplatedColumn> <TemplatedColumn>Name: <%# Eval("Name") %></ TemplatedColumn> <TemplatedColumn>Age: <%# Eval("Age") %></ TemplatedColumn> </cc:SimpleGrid> and when providing the following datasource: DataTable table = new DataTable(); table.Columns.Add("ID", typeof(int)); table.Columns.Add("Name", typeof(string)); table.Columns.Add("Age", typeof(int)); table.Rows.Add(1, "Bob", 35); table.Rows.Add(2, "Sam", 44); table.Rows.Add(3, "Ann", 26); SimpleGrid1.DataSource = table; SimpleGrid1.DataBind(); the result should be a HTML table like this one. ------------------------------- | ID: 1 | Name: Bob | Age: 35 | ------------------------------- | ID: 2 | Name: Sam | Age: 44 | ------------------------------- | ID: 3 | Name: Ann | Age: 26 | ------------------------------- The main problem is that I cannot define the TemplatedColumn. When I tried to do it like this ... private ITemplate _TemplatedColumn; [PersistenceMode(PersistenceMode.InnerProperty)] [TemplateContainer(typeof(TemplatedColumnItem))] [TemplateInstance(TemplateInstance.Multiple)] public ITemplate TemplatedColumn { get { return _TemplatedColumn; } set { _TemplatedColumn = value; } } .. and subsequently instantiate the template in the CreateChildControls I got the following result which is not what I want: ----------- | Age: 35 | ----------- | Age: 44 | ----------- | Age: 26 | ----------- I know that what I want to achieve is pointless and that I can use DataGrid to achieve it, but I am giving this very simple example because if I know how to do this I would be able to develop the control that I need. Thank you.

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• Custom title of PreferenceActivity (problem)

  - by Emerald214

  I have the same problem like this question: Custom title bar in PreferenceActivity ?? After extending PreferenceActivity, I write this code in onCreate(), it just shows a blank grey title. I think it is a bug (because this solution works well with Activity). requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.window_title); super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.main_pref); Edited: window_title.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="match_parent" android:background="@color/titleBar" android:layout_height="wrap_content" android:gravity="center_vertical" android:paddingLeft="5dip" android:paddingRight="5dip"> <ImageView android:id="@+id/imageView1" android:src="@drawable/megadict_icon" android:layout_height="35dip" android:layout_width="35dip" android:layout_gravity="center_vertical"> </ImageView> <TextView android:layout_width="wrap_content" android:id="@+id/textView1" android:layout_height="wrap_content" android:textColor="@color/white" android:textSize="16dip" android:layout_weight="1" android:layout_gravity="center_vertical" android:text="@string/appName" android:paddingLeft="5dip" android:paddingRight="5dip"> </TextView> <ProgressBar style="?android:attr/progressBarStyleSmall" android:id="@+id/progressBar" android:layout_width="28dip" android:layout_height="28dip" android:layout_gravity="center_vertical" android:visibility="invisible"> </ProgressBar> </LinearLayout> main_pref.xml <?xml version="1.0" encoding="utf-8"?> <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" android:title="@string/mainPrefTitle"> <ListPreference android:entries="@array/languageStrings" android:entryValues="@array/languageValues" android:dialogTitle="@string/languagePrefTitle" android:title="@string/mainPrefTitle" android:key="languagePrefKey"> </ListPreference> </PreferenceScreen>

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• Custom UITableViewCell changing indexPath While Scrolling ?

  - by Chris

  I have a custom UITableViewCell which I created in Interface Builder. I am successfully Dequeuing cells, but as I scroll, the cells appear to begin calling different indexPaths. In this example, I am feeding the current indexPath.section and indexPath.row into the customCellLabel. As I scroll the table up and down, some of the cells will change. The numbers can be all over the place, but the cells are not skipping around visually. If I comment out the if(cell==nil), then the problem goes away. If I use a standard cell, the problem goes away. Ideas why this might be happening? // Customize the appearance of table view cells. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell = (UITableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"CalendarEventCell"]; if (cell == nil) { NSLog(@"Creating New Cell !!!!!"); NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"CalendarEventCell" owner:self options:nil]; cell = (UITableViewCell *)[nib objectAtIndex:0]; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; } // Set up the cell... [customCellLabel setText:[NSString stringWithFormat:@"%d - %d",indexPath.section, indexPath.row]]; return cell; }

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• Magento- custom attribute causes blank order number.

  - by frank

  Hi- I created a simple custom attribute on the sales/order entity. Now, for new orders, order number is null. I looked at the sales_order table, and sure enough, increment_id is null... can anyone help me out, I am stumped? This is my setup.php: `public function getDefaultEntities() { return array( 'order' => array( 'entity_model' => 'sales/order', //'attribute_model' => 'catalog/resource_eav_attribute', 'table' => 'sales/order', 'attributes' => array( 'pr_email_sent' => array( 'label' => 'prEmailSent', 'type' => 'varchar', 'default' => 'false' ), ) ) ); }` This is my config.xml <fieldsets> <sales_order> <pr_email_sent><create>1</create><update>1</update></pr_email_sent> </sales_order> </fieldsets> Thanks.

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• SerializationException with custom GenericIdentiy?

  - by MunkiPhD

  I'm trying to implement my own GenericIdentity implementation but keep receiving the following error when it attempts to load the views (I'm using asp.net MVC): System.Runtime.Serialization.SerializationException was unhandled by user code Message="Type is not resolved for member 'OpenIDExtendedIdentity,Training.Web, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'." Source="WebDev.WebHost" I've ended up with the following class: [Serializable] public class OpenIDExtendedIdentity : GenericIdentity { private string _nickName; private int _userId; public OpenIDExtendedIdentity(String name, string nickName, int userId) : base(name, "OpenID") { _nickName = nickName; _userId = userId; } public string NickName { get { return _nickName; } } public int UserID { get { return _userId; } } } In my Global.asax I read a cookie's serialized value into a memory stream and then use that to create my OpenIDExtendedIdentity object. I ended up with this attempt at a solution after countless tries of various sorts. It works correctly up until the point where it attempts to render the views. What I'm essentially attempting to achieve is the ability to do the following (While using the default Role manager from asp.net): User.Identity.UserID User.Identity.NickName ... etc. I've listed some of the sources I've read in my attempt to get this resolved. Some people have reported a Cassini error, but it seems like others have had success implementing this type of custom functionality - thus a boggling of my mind. http://forums.asp.net/p/32497/161775.aspx http://ondotnet.com/pub/a/dotnet/2004/02/02/effectiveformsauth.html http://social.msdn.microsoft.com/Forums/en-US/netfxremoting/thread/e6767ae2-dfbf-445b-9139-93735f1a0f72

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• Custom DateTime model binder in Asp.net MVC

  - by Robert Koritnik

  I would like to write my own model binder for DateTime type. First of all I'd like to write a new attribute that I can attach to my model property like: [DateTimeFormat("d.M.yyyy")] public DateTime Birth { get; set,} This is the easy part. But the binder part is a bit more difficult. I would like to add a new model binder for type DateTime. I can either implement IModelBinder interface and write my own BindModel() method inherit from DefaultModelBinder and override BindModel() method My model has a property as seen above (Birth). So when the model tries to bind request data to this property, my model binder's BindModel(controllerContext, bindingContext) gets invoked. Everything ok, but. How do I get property attributes from controller/bindingContext, to parse my date correctly? How can I get to the PropertyDesciptor of property Birth? Edit Because of separation of concerns my model class is defined in an assembly that doesn't (and shouldn't) reference System.Web.MVC assembly. Setting custom binding (similar to Scott Hanselman's example) attributes is a no-go here.

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• Custom basic authentication fails in IIS7

  - by manu08

  I have an ASP.NET MVC application, with some RESTful services that I'm trying to secure using custom basic authentication (they are authenticated against my own database). I have implemented this by writing an HTTPModule. I have one method attached to the HttpApplication.AuthenticateRequest event, which calls this method in the case of authentication failure: private static void RejectWith401(HttpApplication app) { app.Response.StatusCode = 401; app.Response.StatusDescription = "Access Denied"; app.CompleteRequest(); } This method is attached to the HttpApplication.EndRequest event: public void OnEndRequest(object source, EventArgs eventArgs) { var app = (HttpApplication) source; if (app.Response.StatusCode == 401) { string val = String.Format("Basic Realm=\"{0}\"", "MyCustomBasicAuthentication"); app.Response.AppendHeader("WWW-Authenticate", val); } } This code adds the "WWW-Authenticate" header which tells the browser to throw up the login dialog. This works perfectly when I debug locally using Visual Studio's web server. But it fails when I run it in IIS7. For IIS7 I have the built-in authentication modules all turned off, except anonymous. It still returns an HTTP 401 response, but it appears to be removing the WWW-Authenticate header. Any ideas?

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• How can I programatically create this custom binding?

  - by user277040

  We've got to access a web service that uses soap11... no problem I'll just set the binding as: BasicHttpBinding wsBinding = new BasicHttpBinding(BasicHttpSecurityMode.TransportWithMessageCredential); Nope. No dice. So I asked the host of the service why we're having authentication issues and he said that our config needed to have this custom binding: <bindings> <customBinding> <binding name="lbinding"> <security authenticationMode="UserNameOverTransport" messageSecurityVersion="WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11" securityHeaderLayout="Strict" includeTimestamp="false" requireDerivedKeys="true" keyEntropyMode="ServerEntropy"> </security> <textMessageEncoding messageVersion="Soap11" /> <httpsTransport authenticationScheme ="Negotiate" requireClientCertificate ="false" realm =""/> </binding> </customBinding> </bindings> Only problem is we're creating our binding programmatically not via the config. So if someone could point me in the right direction in regards to changing my BasicHttpBinding into a custombinding that conforms to the .config value provided I'll give them a big shiny gold star for the day.

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• Render multiple control collections in ASP.NET custom control

  - by Monty

  I've build a custom WebControl, which has the following structure: <gws:ModalBox ID="ModalBox1" HeaderText="Title" runat="server"> <Contents>(controls...)</Contents> <Footer>(controls...)</Footer> </gws:ModalBox> The control contains two ControlCollection properties, 'Contents' and 'Footer'. Never tried to build a control with multiple control collections, but solved it like this (simplified): [PersistChildren(false), ParseChildren(true)] public class ModalBox : WebControl { private ControlCollection _contents; private ControlCollection _footer; public ModalBox() : base() { this._contents = base.CreateControlCollection(); this._footer = base.CreateControlCollection(); } [PersistenceMode(PersistenceMode.InnerProperty)] public ControlCollection Contents { get { return this._contents; } } [PersistenceMode(PersistenceMode.InnerProperty)] public ControlCollection Footer { get { return this._footer; } } protected override void RenderContents(HtmlTextWriter output) { // Render content controls. foreach (Control control in this.Contents) { control.RenderControl(output); } // Render footer controls. foreach (Control control in this.Footer) { control.RenderControl(output); } } } However it seems to render properly, it doesn't work anymore if I add some asp.net labels and input controls inside the property. I'll get the HttpException: Unable to find control with id 'KeywordTextBox' that is associated with the Label 'KeywordLabel'. Somewhat understandable, because the label appears before the textbox in the controlcollection. However, with default asp.net controls it does work, so why doesn't this work? What am I doing wrong? Is it even possible to have two control collections in one control? Should I render it differently? Thanks for replies.

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• Display: Custom Control

  - by pipelinecache

  Hi folks, I've made a simple custom control: base.Style[HtmlTextWriterStyle.Position] = "absolute"; if (this.Expanded) // If the Calendar is expanded. this.Style[HtmlTextWriterStyle.Display] = "block"; else this.Style[HtmlTextWriterStyle.Display] = "none"; //create the containing table Panel pnl = new Panel(); pnl.ID = "pnl_" + this.ClientID; pnl.Enabled = true; SherlockIIITextBox txtCalendar = new SherlockIIITextBox(); txtCalendar.ID = "Cal_" + this.ClientID; pnl.Controls.Add(txtCalendar); ImageButton imgButton = new ImageButton(); imgButton.ImageUrl = ""; imgButton.ID = "img_" + this.ClientID; imgButton.BorderStyle = BorderStyle.NotSet; imgButton.OnClientClick = "o = document.getElementById('" + this.ClientID + "');if (o.style.display=='none'){o.style.display='block';}else{o.style.display='none';}"; pnl.Controls.Add(imgButton); pnl.RenderControl(writer); When I click the ImageButton it should render the calendar. But when I click the ImageButton nothing happens. Anyone got an idea?

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• Subscribe to the Button's events into a custom control

  - by ThitoO

  Do you know how can I subscribe to an event of the base of my customControl ? I've a custom control with some dependency properties : public class MyCustomControl : Button { static MyCustomControl () { DefaultStyleKeyProperty.OverrideMetadata( typeof( MyCustomControl ), new FrameworkPropertyMetadata( typeof( MyCustomControl ) ) ); } public ICommand KeyDownCommand { get { return (ICommand)GetValue( KeyDownCommandProperty ); } set { SetValue( KeyDownCommandProperty, value ); } } public static readonly DependencyProperty KeyDownCommandProperty = DependencyProperty.Register( "KeyDownCommand", typeof( ICommand ), typeof( MyCustomControl ) ); public ICommand KeyUpCommand { get { return (ICommand)GetValue( KeyUpCommandProperty ); } set { SetValue( KeyUpCommandProperty, value ); } } public static readonly DependencyProperty KeyUpCommandProperty = DependencyProperty.Register( "KeyUpCommand", typeof( ICommand ), typeof( MyCustomControl ) ); public ICommand KeyPressedCommand { get { return (ICommand)GetValue( KeyPressedCommandProperty ); } set { SetValue( KeyPressedCommandProperty, value ); } } public static readonly DependencyProperty KeyPressedCommandProperty = DependencyProperty.Register( "KeyPressedCommand", typeof( ICommand ), typeof( MyCustomControl ) ); } And I whant to subscribe to Button's events (like MouseLeftButtonDown) to run some code in my customControl. Do you know how can I do something like this in the constructor ? static MyCustomControl() { DefaultStyleKeyProperty.OverrideMetadata( typeof( MyCustomControl ), new FrameworkPropertyMetadata( typeof( MyCustomControl ) ) ); MouseLeftButtonDownEvent += (object sender, MouseButtonEventArgs e) => "something"; } Thanks for you help

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• Trouble with custom WPF Panel-derived class

  - by chaiguy

  I'm trying to write a custom Panel class for WPF, by overriding MeasureOverride and ArrangeOverride but, while it's mostly working I'm experiencing one strange problem I can't explain. In particular, after I call Arrange on my child items in ArrangeOverride after figuring out what their sizes should be, they aren't sizing to the size I give to them, and appear to be sizing to the size passed to their Measure method inside MeasureOverride. Am I missing something in how this system is supposed to work? My understanding is that calling Measure simply causes the child to evaluate its DesiredSize based on the supplied availableSize, and shouldn't affect its actual final size. Here is my full code (the Panel, btw, is intended to arrange children in the most space-efficient manner, giving less space to rows that don't need it and splitting remaining space up evenly among the rest--it currently only supports vertical orientation but I plan on adding horizontal once I get it working properly): protected override Size MeasureOverride( Size availableSize ) { foreach ( UIElement child in Children ) child.Measure( availableSize ); return availableSize; } protected override System.Windows.Size ArrangeOverride( System.Windows.Size finalSize ) { double extraSpace = 0.0; var sortedChildren = Children.Cast<UIElement>().OrderBy<UIElement, double>( new Func<UIElement, double>( delegate( UIElement child ) { return child.DesiredSize.Height; } ) ); double remainingSpace = finalSize.Height; double normalSpace = 0.0; int remainingChildren = Children.Count; foreach ( UIElement child in sortedChildren ) { normalSpace = remainingSpace / remainingChildren; if ( child.DesiredSize.Height < normalSpace ) // if == there would be no point continuing as there would be no remaining space remainingSpace -= child.DesiredSize.Height; else { remainingSpace = 0; break; } remainingChildren--; } extraSpace = remainingSpace / Children.Count; double offset = 0.0; foreach ( UIElement child in Children ) { //child.Measure( new Size( finalSize.Width, normalSpace ) ); double value = Math.Min( child.DesiredSize.Height, normalSpace ) + extraSpace; child.Arrange( new Rect( 0, offset, finalSize.Width, value ) ); offset += value; } return finalSize; }

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• Scrollbars in ScrollView not showing after custom child view changes size

  - by Ted Hopp

  I have a ScrollView containing a client that is a vertical LinearLayout. The client, in turn, contains custom views that change height dynamically as a background thread does some work. The problem I'm having is that the ScrollView's vertical scroll bar is not updating correctly in Android 1.5. The most common problem occurs when the initial total height of the client is less than the viewport and grows. Initially there is no scroll bar, and it does not show up when the client grows until I actually scroll the window with a touch gesture or other UI action. After that, the scroll bar shows up. However, the thumb does not update as the height continues to change from the background thread. If I scroll the view again through the UI, the thumb immediately corrects itself. My code for updating the height from the background thread is: post(mLayoutRequestor); postInvalidate(); (mLayoutRequestor is a Runnable that just calls requestLayout().) This is done after I've recorded the new height in a variable mHeight. My onMeasure() method calls setMeasuredDimension with a height computed like this: private int measureHeight(int measureSpec) { int result; int specMode = MeasureSpec.getMode(measureSpec); int specSize = MeasureSpec.getSize(measureSpec); if (specMode == MeasureSpec.EXACTLY) { result = specSize; } else { result = mHeight; if (specMode == MeasureSpec.AT_MOST && result > specSize) result = specSize; } return result; } Am I supposed to be calling something else besides requestLayout() to get the scroll bar to update correctly?

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• Flex custom list selection not highlighting

  - by aip.cd.aish

  I want to create a custom list in Flex for an interface prototype. The list is supposed to have an image and 3 text fields. This is what I have done so far, the control displayed is what I want. But, when I click on one of the items, the item does not appear (visually) to be selected. I was not sure how I would implement this. Here is my code so far: <s:List width="400" height="220" dataProvider="{arrColl}" alternatingItemColors="[#EEEEEE, white]"> <s:itemRenderer> <fx:Component> <mx:Canvas height="100"> <mx:Image height="90" width="120" source="{data.imageSource}"></mx:Image> <mx:Label left="125" y="10" text="{data.title}" /> <mx:Label left="125" y="30" text="{data.type}" /> <mx:Label left="125" y="50" text="{data.description}" /> </mx:Canvas> </fx:Component> </s:itemRenderer> </s:List>

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• Custom Swing component: questions on approach

  - by phatmanace

  Hi Folks, I'm trying to build a new java swing component, I realise that I might be able to find one that does what I need on the web, but this is partly an exercise for me to learn ow to do this. I want to build a swing component that represents a Gantt chart. it would be good (though not essential for people to be able to interact with it (e.g slide the the tasks around to adjust timings) it feels like the best approach for this is to subclass JComponent, and override PaintComponent() to 'draw a picture' of what the chart should look like, as opposed to doing something like trying to jam everything into a custom JTable. I've read a couple of books on the subject, and also looked at a few examples (most notably things like JXGraph) - but I'm curious about a few things When do I have to switch to using UI delegates, and when can I stick to just fiddling around in paintcomponent() to render what I want? if I want other swing components as sub-elements of my component (e.g I wanted a text box on my gantt chart) can I no longer use paintComponent()? can I arbitrarily position them within my Gantt chart, or do I have to use a normal swing layout manager many thanks in advance. -Ace

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• Custom Android control with children

  - by Gromix

  Hi, I'm trying to create a custom Android control that contains a LinearLayout. You can think of it as an extended LinearLayout with fancy borders, a background, an image on the left... I could do it all in XML (works great) but since I have dozens of occurences in my app it's getting hard to maintain. I thought it would be nicer to have something like this: /* Main.xml */ <MyFancyLayout> <TextView /> /* what goes inside my control's linear layout */ </MyfancyLayout> How would you approach this? I'd like to avoid re-writing the whole linear layout onMeasure / onLayout methods. This is what I have for the moment: /* MyFancyLayout.xml */ <TableLayout> <ImageView /> <LinearLayout id="container" /> /* where I want the real content to go */ </TableLayout> and /* MyFancyLayout.java */ public class MyFancyLayout extends LinearLayout { public MyFancyLayout(Context context) { super(context); View.inflate(context, R.layout.my_fancy_layout, this); } } How would you go about inserting the user-specified content (the TextView in main.xml) in the right place (id=container)? Cheers! Romain ----- edit ------- Still no luck on this, so I changed my design to use a simpler layout and decided to live with a bit of repeated XML. Still very interested in anyone knows how to do this though!

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