I'm trying to catch the document.click event of a ActiveX-Browsercontrol in Foxpro. It works with the default BrowserOLE and this approach (at the bottom).
However, we need to have more Html5 compatibility and I am using WebKitX - ActiveX now. Unfortunately the examples are for VB6 and I need to implement it in a FoxPro - Project. The browser itself is working, just the addEventListener - method is mystery to me.
Any ideas?
In the new version of the WebKitX (Jan 2018) you can set the events you want to receive using WebKitX.Events = ON_CLICK + etc.. and receive notifications from OnEvent generic event handler. So you don't need to use addEventListener any more.
Related
Im using the headerContext-Callback on specific columns for the purpose of hiding/showing a set of additional columns. This worked fine in Tabulator 5.1.8 but somehow lost its functionality since I updated to version 5.2. Instead of calling the specified function it just opens the browsers default right-click-popup.
{title: exampleColumnGroup, columns:[
{title:"exampleAdditionalColumn", field:"xxx", visible:false},
{title:"exampleToggleColumn", field:"yyy", headerContext:headerClickfunc},
],},
Additional info: I chose to use a callback on specific columns instead of tableEvents because I couldn't get tableEvents to work in combination with ColumnGroups.
Any thoughts what im doing wrong or maybe overlooked some deprecated functionality?
edit:
i forgot to show an example of the function that should be called on rightclick:
function headerClickfunc(e, column){
e.preventDefault();
switch(column.getField()) {
case "yyy":
table.toggleColumn("xxx");
}};
Problem is, that this function is never called via headerContext:headerClickfunc since i upgraded to Tabulator 5.2
I can manage to get the function called via:
table.on("headerContext", function(e, column){
headerClickfunc(e, column);
});
but in this case the colum.getField() results in "undefined" which is somehow related to the use of a columngroup (tested it whithout the use of columngroups which works fine).
edit2:
Here is a jsfiddle of the not working Code (headerContext does nothing) with Tabulator 5.2.7
Here is a jsfiddle of the working code (headerContext calls the intended function) with Tabulator 5.1.8
The Code on both jsfiddles is exactly the same. Only difference is the version of tabulator.min.js i used as external ressource (via cdn-link in the ressoruces tab on the left).
The headerContext option, is simply a click listener, if you want to prevent the default browser context menu from opening then you need to call the preventDefault function on the event
{title:"exampleToggleColumn", field:"yyy", headerContext:function(e){
e.preventDefault() ///prevent browser context menu from opening
}},
If you were using Tabulators built in Menu System then you should be using the headerContextMenu option, not the headerClick option.
Also the 5.2 release introduced the concept of popups to allow the built in triggering of custom popup elements. Checkout the Popup Documentation for more info on these
I have a Xpage that takes too long to load. So the client ask me to do a loading indicator.
I searched and found XSP.startAjaxLoading(), that I put in onClientLoad event of the Custom Control.
But now I don't know where should I put XSP.endAjaxLoading() to make the loading screen go away.
I'tried to use in afterRenderResponse and beforeRenderResponse: view.postScript("XSP.endAjaxLoading()"), since this comand is CSJS, but it doesn't work.
Thanks in advance.
I think you want to put it in the onComplete event. That can be difficult to find. You typically need to use the outline control to find it.
I have a video demo on NotesIn9 that has an example on this.
http://www.notesin9.com/2016/02/19/notesin9-188-adding-a-please-wait-to-xpages/?unique=http%3A//www.notesin9.com/2016/02/19/notesin9-188-adding-a-please-wait-to-xpages/
Your attempt (view.postscript) works only with full/partial updates and does not work for page loading.
You have used onClientLoad - which is executed when your page is finished with loading. I guess you get ajax animation after a while and it won't stop.
You should make preload screen - very simple XPage which starts animation and does not care to turn it off. In onClientLoad event redirect to your slow XPage. That will discard the animation.
I'd highly recommend using the Standby Dialog XSnippet https://openntf.org/XSnippets.nsf/snippet.xsp?id=standby-dialog-custom-control. I use it as a standard in all XPages applications.
I used this answer as solution: https://stackoverflow.com/a/35481981/5339322
I've saw it a few days ago, what made me think twice is that using this i should know what is doing my XPages to delay. I ran some tests and discovered what, and it was a call to a method in the afterRestoreView event, then I migrated it to onClientLoad event and used the solution in the answer above cited.
But I'm afraid that I have to keep an eye on it, so if someone adds some code that delays in one of the another events of XPages I have to move it again, of course, if it's possible, if it's not, I'll figure it out something diferent.
Thanks for all the answers ans comments.
Does MvvmCross support a cross platform solution for displaying alerts or popups?
Searching the code I found MvxDialogActivityView but it has been commented out. Will this remain the case for now?
If there is no direct support how would you suggest this is best done? (Perhaps the ViewModel would change a property and call FirePropertyChanged so that the View would be aware of it and show an alert.)
Edit 16:04 16th June 2012
What I am trying to do for this specific case is as follows:
On the page a button is clicked, which causes a method to run in the ViewModel which does an evaluation to determine which of two messages should be shown to the customer. The message would be shown as an alert or popup (either native, or preferably totally styled by me). The message would fade after (the click of the OK button, or preferably 3 seconds).
After the message has been dismissed a new page will be navigated too (depending on which of the two messages was shown).
How to handle this definitely depends on what the situation is - there's no single best rule (IMHO)
For a general error display pattern, there's one proposal at http://slodge.blogspot.co.uk/2012/05/one-pattern-for-error-handling-in.html
I've used similar patterns for showing application level notifications - e.g. for when a long running operation completes or when a chat message arrives or...
One interesting post about how to display message boxes was: http://awkwardcoder.blogspot.co.uk/2012/03/showing-message-box-from-viewmodel-in.html - I'm not sure I'd completely follow the end solution, but there are definitely some good points there about what not to do.
For your updated scenario, I would consider using a messenger (like TinyMessenger) or using normal C# events exposed by the ViewModel and consumed by its View
On the page a button is clicked, which causes a method to run in the ViewModel
I would implement this using an ICommand bound to the button Click/Tap/TouchDown
which does an evaluation to determine which of two messages should be shown to the customer.
I would definitely implement the logic within a Service
This would be called from the ViewModel - and the result/decision would probably cause some property or private field state change.
How does the View then decide to show a message? I can think of 3 options:
The View could just respond to a Property change (normal Mvvm INPC) - this would be my preference
The ViewModel could expose a normal C# event which it triggers...
The ViewModel could send a Message
This last option (Messenging) is probably the most flexible solution here - it decouples the View and ViewModel in case you later decide to change responsibilities. To implement messenging, either:
implement your own hub (like I do for errors in http://slodge.blogspot.co.uk/2012/05/one-pattern-for-error-handling-in.html)
or use a generic solution like TinyMessenger
The message would be shown as an alert or popup (either native, or preferably totally styled by me).
This is a View concern - so would be entirely controlled by the View project. I'd use controls like: UIAlert, Toast, ToastPrompt, etc - all of which can be styled
The message would fade after (the click of the OK button, or preferably 3 seconds). After the message has been dismissed...
I'd use some form of Code Behind (or maybe a Behaviour in WP7) in the View. This would detect the click/fade/disappear and would then invoke either an ICommand (my preference) or public method on the ViewModel
a new page will be navigated too
This navigation would be requested from the ViewModel
(depending on which of the two messages was shown).
This would be easy to track through the above flow... presumably the ViewModel already knows what to show.
So that's what I'd do...
it keeps the application flow logic inside the ViewModels (and lower)
it keeps the presentation inside the Views
...but I'm sure there are other options :)
One final note... the fade out and then navigate logic can really get "messed up" by Switching/Tombstoning on WP7 and Android - this may or may not matter for your particular scenario.
I have 2 webparts which are connected, where the provider sends a string to the consumer.
However it fails to work if I put any TextBox controls in the consumer webpart. (works fine if I use a Label or Literal control.
The idea is that the consumer is to be composed of form controls like TextBoxes.
e.g. the codeproject sample at http://www.codeproject.com/KB/sharepoint/ConnectingCustomWebParts.aspx
Works fine... until you replace the consumer Label control with a TextBox.
Any help gratefully received.
Well, if this still needs an answer....
Why it would work with one control and not another, I'm not sure. The reason I couldn't get it to work consistently as is coded in that sample is due to the issues brought to fore in this article. The data just isn't always there in the create controls part of the web part life cycle. I had much better luck getting my data and putting it somewhere, either the session or the viewstate during the ConnectionConsumer event, then setting the value to the control that needed to display it in the OnPreRender event, or just somehow binding to the control, say in a grid, and just calling refresh on the List I was using as a datasource in the OnPreRender, calling Refresh in the create controls didn't work reliably, only in OnPreRender.
Once I truly grokked the web part lifecycle, things became much simpler for me, and finally taught me why in Java portlets they went with the post/redirect/get cycle to try and avoid this very granular coordination between various portlets on a page.
I'm currently using the Rich Text Editor from the YUI framework. But I don't know how I can run a function when the content of the editor has changed. Want to do this to give the user a message if they leave the site and there is unsaved changes.
Any idea anyone? :)
I think you want the 'afterNodeChange' event.
Study the API for the Events. It is there that you will find the answers that you seek :-)
editorKeyPress event gives almost all functionality of onchange() html event.