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Multipage form Submit

I have a problem that I don't seem to be paving the way with.

To begin with, I have a website that was created by a professional, and we no longer have a working relationship with this company. I am currently managing the site. I am capable, but by no means am I an experienced web developer.

Reference Information. We have an application procedure that uses a multi-page form submitted to the end user. The form is presented in 7 steps, but all this is done from one php file, using (I think) jquery / javascript to complete the steps and check some fields. At the last stage, a summary is proposed for the user. It works great.

Below I find this to be the appropriate javascript that handles page looping:

<script>
$(function () {

    window.confirmLeave = true;

    $('.datefield').datepicker();

    var cache = {};                                                                                             // caching inputs for the visited steps

    $("#appForm").bind("step_shown", function(event,data){  

         if(data.isLastStep){                                                                                      // if this is the last step...then
                $("#summaryContainer").empty();                                                                     // empty the container holding the 
                $.each(data.activatedSteps, function(i, id){                                                        // for each of the activated steps...do
                    if(id === "summary") return;                                                                    // if it is the summary page then just return
                    cache[id] = $("#" + id).find(".input");                                                         // else, find the div:s with class="input" and cache them with a key equal to the current step id
                    cache[id].detach().appendTo('#summaryContainer').show().find(":input").removeAttr("disabled");  // detach the cached inputs and append them to the summary container, also show and enable them
                });
            }else if(data.previousStep === "summary"){                                                              // if we are movin back from the summary page
                $.each(cache, function(id, inputs){                                                                 // for each of the keys in the cache...do
                    var i = inputs.detach().appendTo("#" + id).find(":input");                                      // put the input divs back into their normal step
                    if(id === data.currentStep){                                                                    // (we are moving back from the summary page so...) if enable inputs on the current step
                         i.removeAttr("disabled");
                    }else{                                                                                          // disable the inputs on the rest of the steps
                        i.attr("disabled","disabled");
                    }
                });
                cache = {};                                                                                         // empty the cache again
            }
        });

</script>

I also added the html form below:

<form name="appForm" id="appForm" action="submit-app-exec.php" method="post" 
enctype="multipart/form-data" autocomplete="off" onSubmit="showProgressBar()">

<fieldset class="step" id="page_1">
<div class="input">
<?php include("add-company/step1.html"); ?>
</div>
</fieldset>

<fieldset class="step" id="page_2">
<div class="input">
<?php include("add-company/step2.html"); ?>
</div>
</fieldset>

<fieldset class="step" id="page_3">
<div class="input">
<?php include("add-company/step3.html"); ?>
</div>
</fieldset>

<fieldset class="step" id="page_4">
<div class="input">
<?php include("add-company/step4.html"); ?>
</div>
</fieldset>    

<fieldset class="step" id="page_5">
<div class="input">
<?php include("add-company/step5.html"); ?>
</div>
</fieldset>

<fieldset class="step" id="page_6">
<div class="input">
<?php include("add-company/step6.html"); ?>
</div>
</fieldset>

<fieldset class="step" id="page_7">
<div class="input">
<?php include("add-company/step7.html"); ?>
</div>
</fieldset>

<fieldset class="step" id="summary" >
    <span class="font_normal_07em_black">Summary page</span><br />
    <p>Please verify your information below.</p>
    <div id="summaryContainer"></div>
</fieldset>

<div id="wizardNavigation">

    <button class="navigation_button" onclick="javascript:saveApp()">Save</button>
    <input class="navigation_button" id="back" value="Back" type="reset" />
    <input class="navigation_button" id="next" value="Next" type="submit" onclick="javascript:noSaveApp()" />

    <div class="clearFix"></div>
</div>

, :

class="step ui-formwizard-content ui-helper-reset ui-corner-all" style="display: none;"

firebug , : none; "" .

: - , . . "", javascript , php , POST MySQL. , , POST POSTing . , , POSTED. . .

EDIT:

:

$(function(){ $('#appForm').formwizard('show','" . $row["current_step"] . "'); });

. , , . , , , , , "data.activatedSteps" , . , ? . -

+4
1

<input> 'disable' post/get.

javascript, .

if(id === data.currentStep){                                                                    // (we are moving back from the summary page so...) if enable inputs on the current step
    i.removeAttr("disabled");
}else{                                                                                          // disable the inputs on the rest of the steps
    i.attr("disabled","disabled");
}

, , . , ,

removeAttr("disabled");

, /.

, , .

if(data.isLastStep){                                                                                    // if this is the last step...then
    $("#summaryContainer").empty();                                                                     // empty the container holding the 
    $.each(data.activatedSteps, function(i, id){                                                        // for each of the activated steps...do
        if(id === "summary") return;                                                                    // if it is the summary page then just return
        cache[id] = $("#" + id).find(".input");                                                         // else, find the div:s with class="input" and cache them with a key equal to the current step id
        cache[id].detach().appendTo('#summaryContainer').show().find(":input").removeAttr("disabled");  // detach the cached inputs and append them to the summary container, also show and enable them
    });
}

, , , - , .

:

, , . JQuery .

$(':input.ui-wizard-content').each(function() {$( this ).removeAttr("disabled");});

:input . .ui-wizard-content JQuery , .each , - (function() {$( this ).removeAttr("disabled");}) .

2:

, $row[] . , , , , , .

DOM ( Java- ), , - .

if(data.isLastStep){                                                                                    // if this is the last step...then
    $("#summaryContainer").empty();                                                                     // empty the container holding the 
    $.each(data.activatedSteps, function(i, id){                                                        // for each of the activated steps...do
        if(id === "summary") return;                                                                    // if it is the summary page then just return
        cache[id] = $("#" + id).find(".input");                                                         // else, find the div:s with class="input" and cache them with a key equal to the current step id
        cache[id].detach().appendTo('#summaryContainer').show().find(":input").removeAttr("disabled");  // detach the cached inputs and append them to the summary container, also show and enable them
    });
}


if(data.isLastStep){ 
    $("#summaryContainer").empty();
    $('.input :input').detach().appendTo('#summaryContainer').show().find(":input").removeAttr("disabled");
}

, . , data.activatedSteps - , . , , data.activatedSteps, . , data <input> input .

. JQuery $(TEXT) , , CSS, add ins, ': input'. , CSS JQuery . , , , , .

+5

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