andyhill
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Everything posted by andyhill
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Thank You Sherzod
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Sherzod, Please advise how to force in code at runtime a horizontal Scroll-To-Top for a HtmlFrame (after the script has been updated) - thanks.
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Set Flag in Server Module BeforeInit to suit (we have multiple frameworks). As stated above clearly, I need to scroll to the top of the HTMLFrame via code at runtime after script update. Project1.zip
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Sherzod, please advise - thanks
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Subject to user interaction we change the contents of a HTMLFrame (our frame has a pre-specified height):- BeginUpdate Clear script EndUpdate The previous contents were many many lines long forcing the user to scroll to bottom, now that we have new contents I want to reposition to the top. How Can We Force Scroll-To-Top in code ?
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In the past I have built many Knowledge Base Repositories (Windows Applications) around graphical interfaces which I personally find easy to search / navigate to find related information. LbaWeb (Live Blood Analysis [for the web]) is my UniGUI port of one such program. I have attached a fast paced video showing what can be accomplished using graphical menus in a sort of non-traditional way - Expanding Horizontal Top Menu (parent), Expanding Left Vertical Menu (child), Expanding Right Vertical Menu (independent) and Center Info Display (grandchild). lbaweb3.mp4
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I use ImageEn for all of my jpg/png/avi manipulation including text overlay on the server side.
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Ron, back to Rifer Pro, I would be happy to investigate your Rifer Pro S/W with Scalar: Spooky2 GX Twin Generators
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UniImage1.AutoSize:= True; // DOES NOT WORK UniImage1.Url:='images/myimage.png'; // LOADS // Work Around below corrects size but need image to be centered UniImage1.JSInterface.JSCode('Ext.defer(function(){var el='#1'.el.select("img").elements[0]; '+ 'el.style.maxWidth = "100%"; '+ 'el.style.height="100%"; }, 20);'); After work around above, UniImage1.Center:= True; now works.
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Here is my function to strip HTML tags out of Text:- function TUniMainModule.StripHTML(S: String): String; var TagBegin, TagEnd, TagLength: Integer; MyStr: String; begin TagBegin:= Pos( '<', S); while (TagBegin > 0) do begin TagEnd:= Pos('>', S); TagLength:= TagEnd - TagBegin + 1; Delete(S, TagBegin, TagLength); TagBegin:= Pos( '<', S); end; MyStr:= S; if Pos(' ', MyStr, 1) > 0 then begin MyStr:= CRLF + MyStr; end; StringReplace(MyStr, #160, ' ', [rfReplaceAll, rfIgnoreCase]); MyStr:= Trim(MyStr); Result:= MyStr; end;
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' <body> '+#13#10+ ' <canvas id="bodyCanvas" width="640" height="480" style="border:1px solid #000000;"> '+#13#10+ ' <h3 style="margin-left:10px;" "margin-right:40px;"> '+#13#10+ ' Sample text '+#13#10+ ' </h3> '+#13#10+ ' </canvas> '+#13#10+ ' <button onclick="javascript:downloadImage()">Download Canvas</button> '+#13#10+ ' </body> '+#13#10+
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I tried a canvas tag but my rendered html always appeared below the canvas rectangle. How do we get the BODY RENDERED CANVAS ?
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Hi, I am trying to use some code from the Internet and no matter what I do I have getContex errors, please advise (drawCanvas() rectangles were for visually tracking only) - thanks. MainHTMLFrame.HTML.BeginUpdate; MainHTMLFrame.HTML.Clear; s:= '<!DOCTYPE HTML> '+#13#10+ '<html lang = "en"> '+#13#10+ ' <head> '+#13#10+ ' <script> '+#13#10+ ' function drawCanvas() '+#13#10+ ' { '+#13#10+ ' var canvas = document.getElementById("bodyCanvas"); '+#13#10+ ' if (canvas.getContext) '+#13#10+ ' { '+#13#10+ ' var ctx = canvas.getContext("2d"); '+#13#10+ ' ctx.fillStyle = "rgba(125, 46, 138, 0.5)"; '+#13#10+ ' ctx.fillRect(25,25,100,100); '+#13#10+ ' ctx.fillStyle = "rgba( 0, 146, 38, 0.5)"; '+#13#10+ ' ctx.fillRect(58, 74, 125, 100); '+#13#10+ ' } '+#13#10+ ' } '+#13#10+ ' function downloadImage() '+#13#10+ ' { '+#13#10+ ' var canvas = document.getElementById("bodyCanvas"); '+#13#10+ ' if (canvas.getContext) '+#13#10+ ' { '+#13#10+ ' var image = canvas.toDataURL(); '+#13#10+ ' var aLink = document.createElement(''a''); '+#13#10+ ' var evt = document.createEvent("HTMLEvents"); '+#13#10+ ' evt.initEvent("click"); '+#13#10+ ' aLink.download = ''image.png''; '+#13#10+ ' aLink.href = image; '+#13#10+ ' aLink.dispatchEvent(evt); '+#13#10+ ' } '+#13#10+ ' } '+#13#10+ ' </script> '+#13#10+ ' </head> '+#13#10+ ' <body id:="bodyCanvas"> '+#13#10+ ' <h3 style="margin-left:10px;" "margin-right:40px;"> '+#13#10+ ' Sample text '+#13#10+ ' </h3> '+#13#10+ ' <button onclick="javascript:downloadImage()">Download Canvas</button> '+#13#10+ ' </body> '+#13#10+ '</html>'; MainHTMLFrame.HTML.Add(s); MainHTMLFrame.HTML.EndUpdate;
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Usually it is some sort of js issue when the session is no longer valid
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I use HTML Frames and update HTML contents (script) via menu choice
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Voice Chat with different rooms??? .. has someone a help for me?
andyhill replied to erich.wanker's topic in General
Mehmet, do you have a StandAlone Desktop / Mobile example ? -
Voice Chat with different rooms??? .. has someone a help for me?
andyhill replied to erich.wanker's topic in General
+1 -
I use this for Labels, perhaps Edit has the same attributes ? lblSupplierOne01.TextConversion:= txtHTML;
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My quick and nasty work around sacrifices image quality and excludes audio. I would love to have the original image quality and accompanying audio so still need help. ' <script>'+ ' function fallback(video)'+ ' {'+ ' var img = video.querySelector(''img'');'+ ' if (img) video.parentNode.replaceChild(img, video);'+ ' }'+ ' </script>'+ ' <video autoplay loop muted playsinline>'+ ' <source src="images/waves.mp4">'+ ' <source src="images/waves.webm" onerror="fallback(parentNode)">'+ ' <img src="images/waves.gif">'+ ' </video>'; You can see the results by looking at our experimental website (testing different HTML concepts [non traditional]) https://axfite.com.au Check out Blood and Waves using both Desktop and then iPhone/iPad.
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Farshad, Sherzod - please advise
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Desktop works fine. <video id="video-tag-1" width="395" height="471" controls muted playsinline autoplay loop> <source src="images/blood.mp4" type="video/mp4"></source> Your browser does not support the video tag. </video> iPhone iOS 14 fails to play perhaps due to the new power management changes. I have read the video tag must be "muted" which it is, also must have "playsinline" which it does. There is also some chatter about Safari/iOS now uses HTTP byte-ranges for requesting audio and video files. Can someone please advise how to use html "video" tag with UniGUI/Indy byte-ranges for iOS ? Playing around "<source src="images/blood.mp4" type="video/mp4"> Range:bytes=0-100000</source>" fictional byte range does not make any difference, also where do I place it. This is very important for UniGUI to address as Apple (iOS = 4% of all web traffic) and Mobile in general (= 12% of all web traffic) increasing daily. The video must be played inline within other rendered html content. Please advise - thanks in advance
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Isn't touch obsolete, should I use normal framework?
andyhill replied to Larsson's topic in uniGUI Mobile
For what it is worth, I mostly develop using the UniGUI Mobile Components that can be emulated in Desktop Mode (\m), unless of course I need a quick and nasty desktop solution. So no more scale down issues trying to fit into phone real-estate - yes I know some code self adjusts but it is never as good as mobile specific code. In this way when rendered on phone everything is finger friendly and screen size correct. -
Yes, that does the trick.
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I had a quick look and found:- ////////////////////////////////////////////////////////////////////////////// ' function sendRequest(data) {'#10+ ' console.log(data);'#10+ ' //var URLFrame = Ext.getCmp(''_URLFrame'');'#10+ FAILS ??? ' var params=[];'#10+ ' params = ["val="+JSON.stringify(data) ];'#10+ ' if (params.length > 0) {'#10+ ' //ajaxRequest(URLFrame, ''findaddress'', params);'#10+ FAILS NO AJAX FUNCTIONS ' //ajaxRequest(MainForm.UniURLFrame1, ''findaddress'', params);'#10+ FAILS NO AJAX FUNCTIONS ' }'#10+ ' }'#10+ At least data now goes to console. ////////////////////////////////////////////////////////////////////////////// Knowing that ajaxRequest is not implemented I thought you could use:- s:= 'ajaxRequest=function ajaxRequest(sender, url, data)'#10+ '{'#10+ '}'; UniURLFrame1.ClientEvents.UniEvents.Add(s); But need help from Sherzod to implement MainForm.UniURLFrame1, ''findaddress'', params
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Process UniURLFrame OnAjaxEvent (add Listener if necessary).
