## Aurigma Image Uploader 7.0.28

# Using Image Uploader Installation Progress

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Usually it takes some time to download and install Image Uploader. Moreover, users have to perform additional actions to complete the installation of the control, for instance, click the information bars and accept security warnings. It all may confuse users and they may consider Image Uploader as a security threat and cancel the installation. Because of this the add-on should display additional information while installation is in progress and provide users with instructions.

Image Uploader enables this functionality displaying special screens instead of the control during two major phases: downloading and installation. The downloading screen is displayed when Image Uploader is being downloaded from server to client; it contains a wait indicator, short descriptions, and the other instructions. The installation screen is displayed after Image Uploader is completely downloaded; it provides the instructions on how to install the add-on.

This functionality is implemented in the InstallationProgress class. It includes a number of properties intended to configure these screens. All the properties can be divided into two groups according to the stage they appear on, except for one property. The CommonHtml contains a HTML-marked description of Image Uploader displayed on both stages (downloading and installation). This description is intended to give users a brief explanation of what control is about to be installed.

## Downloading Screen

This screen is useful in the case of slow Internet connection when downloading of Image Uploader may take long time. You can put a wait indicator here and tell users to be patient while Image Uploader is being loaded. You can use the following properties to configure this screen:

- ShowDownloadingScreen specifies whether this screen should be displayed.
- ProgressHtml specifies the text saying that the downloading of Image Uploader is in progress. Value defined in this property can contain {0} placeholder. Before displaying this screen, the placeholder is replaced with image URL defined in the ProgressImageUrl property (see the sample below). It allows you to customize images without changing HTML-marked text.
- ProgressImageUrl specifies a custom image to display instead of default wait indicator (see description of ProgressHtml above for additional details).
- BeforeIE6XPSP2ProgressHtml, IE6XPSP2ProgressHtml, IE7ProgressHtml, and IE8ProgressHtml specify downloading instructions depending on the browser type. Since different versions of browsers have different workflows of downloading add-ons you can use this set of properties to customize downloading instructions based on browser version Image Uploader is about to be installed on.
- ProgressCssClass specifies a CSS class name to apply it to the downloading screen. This class should be declared in a source code of the page Image Uploader is added to, or in the external CSS file linked to this page.

### ASP.NET

    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="_Default" %>
    <%@ Register assembly="Aurigma.ImageUploader" Namespace="Aurigma.ImageUploader" tagprefix="aur" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
        <title>Aurigma Image Uploader 7</title>
        <style type="text/css">.DownloadingScreenStyle {
            background-color:#ffffff;font-family:verdana;font-size:11px;padding:10px;text-align:center;
        }
        </style>
    </head>
    <body>
        <form id="form1" runat="server">
           <aur:Uploader runat="server" ID="Uploader1" />
           <aur:InstallationProgress runat="server" TargetControlID="Uploader1"
              ProgressHtml="&lt;p&gt;&lt;img src=\&quot;{0}\&quot; /&gt;&lt;br /&gt;Loading Aurigma Image Uploader...&lt;/p&gt;"
              ProgressImageUrl="mywaitIndicator.gif"
              ProgressCssClass="DownloadingScreenStyle" />
        </form>
    </body>
    </html>

### PHP

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
        <title>Aurigma Image Uploader 7</title>
        <style type="text/css">.DownloadingScreenStyle {
            background-color:#ffffff;font-family:verdana;font-size:11px;padding:10px;text-align:center;
        }
        </style>
    </head>
    <body>
    <?php
    require_once "ImageUploaderPHP/Uploader.class.php";
    require_once "ImageUploaderPHP/InstallationProgress.class.php";

    $uploader = new Uploader("Uploader1");

    $ip = new InstallationProgress($uploader);
    $ip->setProgressHtml("<p><img src=\"{0}\" /><br />Loading Aurigma Image Uploader...</p>");
    $ip->setProgressImageUrl("mywaitIndicator.gif");
    $ip->setProgressCssClass("DownloadingScreenStyle");

    $uploader->render();
    ?>
    </body>
    </html>

### JavaScript

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
        <head>
            <title>Aurigma Image Uploader 7</title>
            <script type="text/javascript" src="Scripts/aurigma.uploader.js">  </script>
            <script type="text/javascript" src="Scripts/aurigma.uploader.installationprogress.js">  </script>
            <style type="text/css">.DownloadingScreenStyle {
                background-color:#ffffff;font-family:verdana;font-size:11px;padding:10px;text-align:center;
                }
            </style>
        </head>
        <body>
            <script type="text/javascript">
            var u = $au.uploader({id: 'Uploader1',
                width: '640', height: '480',
                // other params
            });
            var ip = $au.installationProgress(u);
            ip.progressHtml('<p><img src=\"{0}\" /><br />Loading Aurigma Image Uploader...</p>');
            ip.progressImageUrl('mywaitIndicator.gif');
            ip.progressCssClass('DownloadingScreenStyle');
            u.writeHtml();
            </script>
        </body>
    </html>

## Installation Screen

Installation phase starts after Image Uploader is completely downloaded. In the case of installation in Internet Explorer, the corresponded screen is shown when the security warning is about to be displayed. Thus, you can use it to provide users with the instructions on how to install the add-on or describe an alternative way (e.g. use a standalone installer) in the case if there are installation problems. As for non-Internet Explorer browsers, Image Uploader starts as soon as it is loaded. However, if it fails during the installation (Sun JRE 1.5 is not installed or Java applets are disabled in a browser) this screen appears to provide users with instructions on how to setup Java and turn it on. The following properties can be used to configure this screen:

- ShowInstallationScreen specifies whether this screen should be displayed.
- BeforeIE6XPSP2InstructionsHtml, IE6XPSP2InstructionsHtml, IE7InstructionsHtml, and IE8InstructionsHtml specify installation instructions depending on the browser type. Since different versions of browsers have different workflows of installing add-ons you can use this set of properties to customize installation instructions based on browser version Image Uploader is about to be installed on.
- InstallJavaHtml and MacInstallJavaHtml specify instructions on how to install Java depending on used platform.
- AltInstallerHtml specifies a HTML-marked text appended to installation instructions in the case when Image Uploader is being installed in Internet Explorer (see the sample below).
- UpdateInstructions specifies common instructions on how to update Image Uploader in Internet Explorer. This property appears if an earlier version of the control is already installed on the client machine and needed to be updated.
- InstructionsCssClass specifies a CSS class name to apply it to the installation screen. This class should be declared in a source code of the page Image Uploader is added to, or in the external CSS file linked to this page.

### ASP.NET

    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="_Default" %>
    <%@ Register assembly="Aurigma.ImageUploader" Namespace="Aurigma.ImageUploader" tagprefix="aur" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
        <title>Aurigma Image Uploader 7</title>
        <style type="text/css">.InstallationScreenStyle {
            background-color:#ffffff;font-family:verdana;font-size:11px;padding:10px;text-align:center;
        }
        </style>
    </head>
    <body>
        <form id="form1" runat="server">
           <aur:Uploader runat="server" ID="Uploader1" />
           <aur:InstallationProgress runat="server" TargetControlID="Uploader1"
              AltInstallerHtml="&lt;p&gt;You can also download &lt;a href=&quot;http://mysite.com/standaloneInstaller/&quot;&gt;
                standalone installator&lt;/a&gt;.&lt;/p&gt;"
              InstructionsCssClass="InstallationScreenStyle" />
        </form>
    </body>
    </html>

### PHP

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
        <title>Aurigma Image Uploader 7</title>
        <style type="text/css">.InstallationScreenStyle {
            background-color:#ffffff;font-family:verdana;font-size:11px;padding:10px;text-align:center;
        }
        </style>
    </head>
    <body>
    <?php
    require_once "ImageUploaderPHP/Uploader.class.php";
    require_once "ImageUploaderPHP/InstallationProgress.class.php";

    $uploader = new Uploader("Uploader1");

    $ip = new InstallationProgress($uploader);
    $ip->setAltInstallerHtml("<p>You can also download <a href=\"http://mysite.com/standaloneInstaller/\">
       standalone installator</a>.</p>");
    $ip->setInstructionsCssClass("InstallationScreenStyle");

    $uploader->render();
    ?>
    </body>
    </html>

### JavaScript

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
        <head>
            <title>Aurigma Image Uploader 7</title>
            <script type="text/javascript" src="Scripts/aurigma.uploader.js">  </script>
            <script type="text/javascript" src="Scripts/aurigma.uploader.installationprogress.js">  </script>
            <style type="text/css">.InstallationScreenStyle {
                background-color:#ffffff;font-family:verdana;font-size:11px;padding:10px;text-align:center;
                }
            </style>
        </head>
        <body>
            <script type="text/javascript">
            var u = $au.uploader({id: 'Uploader1',
                width: '640', height: '480',
                // other params
            });
            var ip = $au.installationProgress(u);
            ip.altInstallerHtml('<p>You can also download <a href="http://mysite.com/standaloneInstaller/">'
                + 'standalone installator</a>.</p>');
            ip.instructionsCssClass('InstallationScreenStyle');
            u.writeHtml();
            </script>
        </body>
    </html>

## See Also

### Reference

- InstallationProgress Class

### Manual

- Quick Start with Image Uploader ASP.NET
- Quick Start with Image Uploader PHP
- Quick Start with Image Uploader JavaScript

- InstallationProgress (ASP.NET)
- InstallationProgress (PHP)
- installationProgress (JavaScript)

- CommonHtml (ASP.NET)
- CommonHtml (PHP)
- commonHtml (JavaScript)

- ShowDownloadingScreen (ASP.NET)
- ShowDownloadingScreen (PHP)
- showDownloadingScreen (JavaScript)

- ProgressHtml (ASP.NET)
- ProgressHtml (PHP)
- progressHtml (JavaScript)

- ProgressImageUrl (ASP.NET)
- ProgressImageUrl (PHP)
- progressImageUrl (JavaScript)

- ProgressImageUrl (ASP.NET)
- ProgressImageUrl (PHP)
- progressImageUrl (JavaScript)

- ProgressHtml (ASP.NET)
- ProgressHtml (PHP)
- progressHtml (JavaScript)

- BeforeIE6XPSP2ProgressHtml (ASP.NET)
- BeforeIE6XPSP2ProgressHtml (PHP)
- beforeIE6XPSP2ProgressHtml (JavaScript)

- IE6XPSP2ProgressHtml (ASP.NET)
- IE6XPSP2ProgressHtml (PHP)
- IE6XPSP2ProgressHtml (JavaScript)

- IE7ProgressHtml (ASP.NET)
- IE7ProgressHtml (PHP)
- IE7ProgressHtml (JavaScript)

- IE8ProgressHtml (ASP.NET)
- IE8ProgressHtml (PHP)
- IE8ProgressHtml (JavaScript)

- ProgressCssClass (ASP.NET)
- ProgressCssClass (PHP)
- progressCssClass (JavaScript)

- ShowInstallationScreen (ASP.NET)
- ShowInstallationScreen (PHP)
- showInstallationScreen (JavaScript)

- BeforeIE6XPSP2InstructionsHtml (ASP.NET)
- BeforeIE6XPSP2InstructionsHtml (PHP)
- beforeIE6XPSP2InstructionsHtml (JavaScript)

- IE6XPSP2InstructionsHtml (ASP.NET)
- IE6XPSP2InstructionsHtml (PHP)
- IE6XPSP2InstructionsHtml (JavaScript)

- IE7InstructionsHtml (ASP.NET)
- IE7InstructionsHtml (PHP)
- IE7InstructionsHtml (JavaScript)

- IE8InstructionsHtml (ASP.NET)
- IE8InstructionsHtml (PHP)
- IE8InstructionsHtml (JavaScript)

- InstallJavaHtml (ASP.NET)
- InstallJavaHtml (PHP)
- installJavaHtml (JavaScript)

- MacInstallJavaHtml (ASP.NET)
- MacInstallJavaHtml (PHP)
- macInstallJavaHtml (JavaScript)

- AltInstallerHtml (ASP.NET)
- AltInstallerHtml (PHP)
- altInstallerHtml (JavaScript)

- UpdateInstructions (ASP.NET)
- UpdateInstructions (PHP)
- updateInstructions (JavaScript)

- InstructionsCssClass (ASP.NET)
- InstructionsCssClass (PHP)
- instructionsCssClass (JavaScript)

- InstallationProgress (ASP.NET)
- InstallationProgress (PHP)
- installationProgress (JavaScript)