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Topic: Problem knockout.js on Webmail Lite

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Ayumiesan
Newbie
Newbie

Joined: 03 March 2016
Online Status: Offline
Posts: 11

Posted: 05 May 2016 at 2:26am \| IP Logged

Hi,
i try to applying building on Ajax content, Here my javascript Code :

//Call of my popup
App.Screens.showPopup(AttachJDWPopup);

function AttachJDWPopup() {
    this.files = ko.observableArray();
}
AttachJDWPopup.prototype.popupTemplate = function (){
    return 'Popups_AttachJDWPopupViewModel';
};
AttachJDWPopup.prototype.onShow = function (){
   this.getFiles();
};
AttachJDWPopup.prototype.getFiles = function(){
    var self = this;
    $.ajax({
        type: 'POST',
        url: './test.php',
        success: function(jqXHR){
            $('#testAffichage').html(jqXHR);
            self.files(jqXHR);
        }
    });
}
AttachJDWPopup.prototype.onItemClick = function (){
    console.log("clickItem");
};

Here, my template use :

<div class="mask" data-bind="click: onCancelClick"></div>
<div class="popup_panel">
    <span class="close" data-bind="click: onCancelClick"></span>
    <div class="panels">
        <div class="panel files">
            <div class="panel_content" id="testAffichage">
            </div>
        </div>
    </div>
    <div class="buttons">
        <span class="button save" data-i18n="FILESTORAGE/BUTTON_SELECT" data-bind="i18n: 'text', click: onSelectClick"></span>
        <span class="button save" data-i18n="FILESTORAGE/BUTTON_CLOSE" data-bind="i18n: 'text', click: onCancelClick"></span>
    </div>
</div>
<span class="helper"></span>

Here my code in test.php :

<p class="itemJarvis" data-bind="click: onItemClick" data-id_fichier="1">Item1</p>
<p class="itemJarvis selected" data-id_fichier="2">Item2</p>

At this moment, i can open the popup and the binding are well applied. Now, i want to put some text using ajax in my template, so i call my function "getFiles()" i have the result put on my html, that is ok, but now, i want to apply building for use my "onItemClick" function.

And when i try to put in ajax response :
    ko.applyBindings(self,document.getElementById('testAffichage'));

Apply binding work fine. But if i reload the popup Or just the content, i have an error message :
    Uncaught Error: You cannot apply bindings multiple times to the same element.

Can you help me ?

Igor
AfterLogic Support

Joined: 24 June 2008
Location: United States
Online Status: Offline
Posts: 6168

Posted: 05 May 2016 at 4:14am \| IP Logged

The typical way that's done is:

Code:

.....

var applied = false;

.....

if (!applied){

       ko.applyBindings(self,document.getElementById('testAffichage')); 

       applied = true;

}

--
Regards,
Igor, AfterLogic Support

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