{% extends "baseprojectpage.html" %}
{% load projecttags %}
{% load humanize %}

{% block title %} BitBake variables - {{project.name}} - Toaster {% endblock %}
{% block projectinfomain %}

<h2>Bitbake variables</h2>

    <div style="padding-left:19px;">

        <dl class="dl-vertical">
            {% if distro_defined %}
            <dt>
                <span class="js-config-var-name js-config-var-managed-name">DISTRO</span>
                <i class="icon-question-sign get-help" title="The short name of the distribution. If the variable is blank, meta/conf/distro/defaultsetup.conf will be used. <br /><a href='http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-DISTRO' target='_blank'>Read more in the manual</a>"></i>
            </dt>
            <dd class="lead">
                <span id="distro">{{distro}}</span>
                <i class="icon-pencil" id="change-distro-icon"></i>
                <form id="change-distro-form" style="display:none;">
                    <div class="input-append">
                        <span  id="edit-distro-name-div" class="control-group">
                            <input type="text" id="new-distro" value="{{distro}}">
                            <button id="apply-change-distro" class="btn" type="button">Save</button>
                            <button id="cancel-change-distro" type="button" class="btn btn-link">Cancel</button>
                        </span>
                        <span class="help-block error" id="distro-error-message"></span>
                    </div>
                </form>
            </dd>
            {% endif %}

            {% if fstypes_defined %}
            <dt>
                <span class="js-config-var-name js-config-var-managed-name">IMAGE_FSTYPES</span>
                <i class="icon-question-sign get-help" title="Formats of root file system images that you want to have created <br /><a href='http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-IMAGE_FSTYPES' target='_blank'>Read more in the manual</a>"></i>
            </dt>
            <dd class="lead">
                <span id="image_fstypes">{{fstypes}}</span>
                <i class="icon-pencil" id="change-image_fstypes-icon"></i>
                <form id="change-image_fstypes-form" style="display:none;">
                    <input id="filter-image_fstypes" type="text" placeholder="Search image types" class="span4">
                    <div id="all-image_fstypes" class="scrolling">
                    </div>
                    <span class="help-block" id="fstypes-error-message">You must select at least one image type</span>
                    <button id="apply-change-image_fstypes" type="button" class="btn">Save</button>
                    <button id="cancel-change-image_fstypes" type="button" class="btn btn-link">Cancel</button>
                </form>
            </dd>
            {% endif %}

            {% if image_install_append_defined %}
            <dt>
                <span class="js-config-var-name js-config-var-managed-name">IMAGE_INSTALL_append</span>
                <i class="icon-question-sign get-help" title="Specifies additional packages to install into an image. If your build creates more than one image, the packages will be installed in <strong>all of them</strong> <br /><a href='http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-IMAGE_INSTALL' target='_blank'>Read more in the manual</a>"></i>
            </dt>
            <dd class="lead">
                <span id="image_install"{% if image_install_append %}{%else%} class="muted"{%endif%}>{% if image_install_append %}{{image_install_append}}{%else%}Not set{%endif%}</span>
                <i class="icon-pencil" id="change-image_install-icon"></i>
                <i class="icon-trash" id="delete-image_install-icon" {% if image_install_append %}{%else%}style="display:none;"{%endif%}></i>
                <form id="change-image_install-form" style="display:none;">
                    <div class="row-fluid">
                        <span class="help-block span4">To set IMAGE_INSTALL_append to more than one package, type the package names separated by a space.</span>
                    </div>
                    <div class="input-append">
                        <input type="text" class="input-xlarge" id="new-image_install" placeholder="Type one or more package names">
                        <button id="apply-change-image_install" class="btn" type="button">Save</button>
                        <button id="cancel-change-image_install" type="button" class="btn btn-link">Cancel</button>
                    </div>
                </form>
            </dd>
            {% endif %}

            {% if package_classes_defined %}
            <dt>
                <span class="js-config-var-name js-config-var-managed-name">PACKAGE_CLASSES</span>
                <i class="icon-question-sign get-help" title="Specifies the package manager to use when packaging data <br /><a href='http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-PACKAGE_CLASSES' target='_blank'>Read more in the manual</a>"></i>
            </dt>
            <dd class="lead">
                <span id="package_classes">{{package_classes}}</span>
                <i id="change-package_classes-icon" class="icon-pencil"></i>
                <form id="change-package_classes-form" style="display:none;">
                    <label>
                        Root file system package format
                        <i class="icon-question-sign get-help" title="The package format used to generate the root file system. Options are <code>dev</code>, <code>ipk</code> and <code>rpm</code>"></i>
                    </label>
                    <select id="package_classes-select">
                        <option>package_deb</option>
                        <option>package_ipk</option>
                        <option>package_rpm</option>
                    </select>
                    <label>
                        Additional package formats
                        <i class="icon-question-sign get-help" title="Extra package formats to build"></i>
                    </label>
                    <label class="checkbox" id="package_class_1">
                        <input type="checkbox" id="package_class_1_input"> package_deb
                    </label>
                    <label class="checkbox" id="package_class_2">
                        <input type="checkbox" id="package_class_2_input"> package_ipk
                    </label>
                    <div style="padding-top:10px;">
                        <button id="apply-change-package_classes" type="button" class="btn">Save</button>
                        <button id="cancel-change-package_classes" type="button" class="btn btn-link">Cancel</button>
                    </div>
                </form>
            </dd>
            {% endif %}
        </dl>

        <!-- <ul class="unstyled configuration-list" id="configvar-list"> -->
        <dl id="configvar-list">
            <!-- the added configuration variables are inserted here -->
        </dl>

        <!-- pass the fstypes list, black list, and externally managed variables here -->
        {% for fstype in vars_fstypes %}
            <input type="hidden" class="js-checkbox-fstypes-list" value="{{fstype}}">
        {% endfor %}
        {% for b in vars_blacklist %}
            <input type="hidden" class="js-config-blacklist-name" value="{{b}}">
        {% endfor %}
        {% for b in vars_managed %}
            <input type="hidden" class="js-config-managed-name" value="{{b}}">
        {% endfor %}

        <div class="row-fluid">
          <form id="variable-form">
            <fieldset style="padding-left:0px;">
                <legend>Add variable</legend>
                <div class="span3" style="margin-left:0px;">
                    <span  id="add-configvar-name-div" class="control-group">
                      <label>
                        Variable
                        <i title="" class="icon-question-sign get-help"
                           data-original-title="Variable names are case sensitive,
                           cannot have spaces, and can only include letters, numbers, underscores
                           and dashes"></i>
                      </label>
                      <input type="text" placeholder="Type variable name" id="variable">
                      <span class="help-block error" id="new-variable-error-message"></span>
                    </span>
                    <label>Value</label>
                    <input id="value" type="text" placeholder="Type variable value"><p>
                    <div>
                        <button id="add-configvar-button" class="btn save" type="button" disabled>Add variable</button>
                    </div>
                </div>
                <div class="span5 help-block">
                    <h5>Some variables are reserved from Toaster</h5>
                    <p>Toaster cannot set any variables that impact 1) the configuration of the build servers,
                    or 2) where artifacts produced by the build are stored. Such variables include: </p>
                    <p>
                    <code><a href="http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-BB_DISKMON_DIRS" target="_blank">BB_DISKMON_DIRS</a></code>
                    <code><a href="http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-BB_NUMBER_THREADS" target="_blank">BB_NUMBER_THREADS</a></code>
                    <code>CVS_PROXY_HOST</code>
                    <code>CVS_PROXY_PORT</code>
                    <code><a href="http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-DL_DIR" target="_blank">DL_DIR</a></code>
                    <code><a href="http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-PARALLEL_MAKE" target="_blank">PARALLEL_MAKE</a></code>
                    <code><a href="http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-SSTATE_DIR" target="_blank">SSTATE_DIR</a></code>
                    <code><a href="http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-SSTATE_MIRRORS" target="_blank">SSTATE_MIRRORS</a></code>
                    <code><a href="http://www.yoctoproject.org/docs/1.6.1/ref-manual/ref-manual.html#var-TMPDIR" target="_blank">TMPDIR</a></code></p>
                    <p>Plus the following standard shell environment variables:</p>
                    <p><code>http_proxy</code> <code>ftp_proxy</code> <code>https_proxy</code> <code>all_proxy</code></p>
                </div>
            </fieldset>
          </form>
        </div>

    </div>

    <script>

        // global variables
        var do_reload=false;

        // validate new variable name
        function validate_new_variable() {
            var variable = $("input#variable").val();
            var value    = $("input#value").val();

            // presumed innocence
            $('#new-variable-error-message').text("");
            var error_msg = "";

            var existing_configvars = document.getElementsByClassName('js-config-var-name');
            for (var i = 0, length = existing_configvars.length; i < length; i++) {
                if (existing_configvars[i].innerHTML.toUpperCase() == variable.toUpperCase()) {
                    error_msg = "This variable is already set in this page, edit its value instead";
                }
            }

            var blacklist_configvars = document.getElementsByClassName('js-config-blacklist-name');
            for (var i = 0, length = blacklist_configvars.length; i < length; i++) {
                if (blacklist_configvars[i].value.toUpperCase() == variable.toUpperCase()) {
                    error_msg = "You cannot edit this variable in Toaster because it is set by the build servers";
                }
            }

            var managed_configvars = document.getElementsByClassName('js-config-managed-name');
            for (var i = 0, length = managed_configvars.length; i < length; i++) {
                if (managed_configvars[i].value.toUpperCase() == variable.toUpperCase()) {
                    error_msg = "You cannot set this variable here. Please set it in the <a href=\"{% url 'project' project.id %}\">project main page</a>";
                }
            }

            var bad_chars  = /[^a-zA-Z0-9\-_]/.test(variable);
            var has_spaces = (0 <= variable.indexOf(" "));
            var only_spaces = (0 < variable.length) && (0 == variable.trim().length);

            if (only_spaces) {
                error_msg = "A valid variable name cannot include spaces";
            } else if (bad_chars && has_spaces) {
                error_msg = "A valid variable name can only include letters, numbers, underscores, dashes, and cannot include spaces";
            } else if (bad_chars) {
                error_msg = "A valid variable name can only include letters, numbers, underscores, and dashes";
            }

            if ("" != error_msg) {
                $('#new-variable-error-message').html(error_msg);
                $(".save").attr("disabled","disabled");

                // add one (and only one) error class append
                var d = document.getElementById("add-configvar-name-div");
                d.className = d.className.replace(" error","");
                d.className = d.className + " error";

                return false;
            } else if (0 == variable.length) {
                $(".save").attr("disabled","disabled");
                return false;
            }

            var d = document.getElementById("add-configvar-name-div");
            d.className = d.className.replace(" error","");

            // now set the "Save" enablement if 'value' also passes
            if (value.trim().length > 0) {
                $(".save").removeAttr("disabled");
            } else {
                $(".save").attr("disabled","disabled");
            }

            return true;
        }

        // validate distro name
        function validate_distro_name() {
             var value    = $("input#new-distro").val();

            // presumed innocence
            $('#distro-error-message').text("");
            var error_msg = "";

            var has_spaces = (0 <= value.indexOf(" "));

            if (has_spaces) {
                error_msg = "A valid distro name cannot include spaces";
            } else if (0 == value.length) {
                error_msg = " ";
            }

            if ("" != error_msg) {
                $('#distro-error-message').text(error_msg);
                $("#apply-change-distro").attr("disabled","disabled");

                // add one (and only one) error class append
                var d = document.getElementById("edit-distro-name-div");
                d.className = d.className.replace(" error","");
                d.className = d.className + " error";

                return false;
            }

            var d = document.getElementById("edit-distro-name-div");
            d.className = d.className.replace(" error","");
            $("#apply-change-distro").removeAttr("disabled");
            return true;
        }

        // Test to insure at least one FS Type is checked
        function enableFsTypesSave() {
            var any_checked = 0;
            $(".fs-checkbox-fstypes:checked").each(function(){
                any_checked = 1;
            });
            if ( 0 == any_checked ) {
                $("#apply-change-image_fstypes").attr("disabled","disabled");
                $('#fstypes-error-message').show();
            }
            else {
                $("#apply-change-image_fstypes").removeAttr("disabled");
                $('#fstypes-error-message').hide();
            }
        }

        // Preset or reset the Package Class checkbox labels
        function updatePackageClassCheckboxes() {
            $('#package_class_1, #package_class_2').hide();
            if ($('select').val() == 'package_deb') {
                $('#package_class_1').html('<input type="checkbox" id="package_class_1_input"> package_ipk');
                $('#package_class_2').html('<input type="checkbox" id="package_class_2_input"> package_rpm');
            }
            if ($('select').val() == 'package_ipk') {
                $('#package_class_1').html('<input type="checkbox" id="package_class_1_input"> package_deb');
                $('#package_class_2').html('<input type="checkbox" id="package_class_2_input"> package_rpm');
            }
            if ($('select').val() == 'package_rpm') {
                $('#package_class_1').html('<input type="checkbox" id="package_class_1_input"> package_deb');
                $('#package_class_2').html('<input type="checkbox" id="package_class_2_input"> package_ipk');
            }
            $('#package_class_1, #package_class_2').fadeIn(1500);
        }

        // Re-assert handlers when the page is served and/or refreshed via Ajax
        function setEventHandlersForDynamicElements() {

            // change variable value
            $('.js-icon-pencil-config_var').click(function (evt) {
                var pk = evt.target.attributes["x-data"].value;
                var current_val = $("span#config_var_value_"+pk).text();
                $('.js-icon-pencil-config_var, .js-icon-trash-config_var, #config_var_value_'+pk).hide();
                $("#change-config_var-form_"+pk).slideDown();
                $("input#new-config_var_"+pk).val(current_val);
            });

            $('.js-cancel-change-config_var').click(function (evt) {
                var pk = evt.target.attributes["x-data"].value;
                $("#change-config_var-form_"+pk).slideUp(function() {
                    $('.js-icon-pencil-config_var, .js-icon-trash-config_var, #config_var_value_'+pk).show();
                });
            });

            $(".js-new-config_var").on('input', function(){
                if ($(this).val().length == 0) {
                    $(".js-apply-change-config_var").attr("disabled","disabled");
                }
                else {
                    $(".js-apply-change-config_var").removeAttr("disabled");
                }
            });

            $('.js-apply-change-config_var').click(function (evt) {
                var xdata    = evt.target.attributes["x-data"].value.split(":");
                var pk       = xdata[0];
                var variable = xdata[1];
                var val      = $('#new-config_var_'+pk).val();
                postEditAjaxRequest({"configvarChange" : variable+':'+val});
                $('#config_var_value_'+pk).parent().removeClass('muted');
                $("#change-config_var-form_"+pk).slideUp(function() {
                    $('.js-icon-pencil-config_var, .js-icon-trash-config_var, #config_var_value_'+pk).show();
                });
            });

            // delete variable
            $(".js-icon-trash-config_var").click(function (evt) {
                var xdata    = evt.target.attributes["x-data"].value.split(":");
                var pk       = xdata[0];

                // hide the dangling trash tooltip
                $('#config_var_trash_'+pk).hide();

                // fade out the variable+value div, then refresh the variable list
                $('#config_var_entry_'+pk).parent().parent().fadeOut(1000, function(){
                     postEditAjaxRequest({"configvarDel": evt.target.attributes["x-data"].value});
                });

            });

        }

        function onEditPageUpdate(data) {
            // update targets
            var i; var orightml = "";

            var configvars_sorted = data.configvars.sort(function(a, b){return a[0] > b[0]});

            var managed_configvars = document.getElementsByClassName('js-config-var-managed-name');

            for (i = 0; i < configvars_sorted.length; i++) {
                // skip if the variable name has a special context (not user defined)
                var var_context=undefined;
                for (var j = 0, length = managed_configvars.length; j < length; j++) {
                    if ((managed_configvars[j].innerHTML == configvars_sorted[i][0]) ||
                        (managed_configvars[j].value     == configvars_sorted[i][0]) ) {
                        var_context='m';
                    }
                }
                if (var_context == undefined) {
                    orightml += '<div> <dt><span id="config_var_entry_'+configvars_sorted[i][2]+'" class="js-config-var-name"></span><i class="icon-trash js-icon-trash-config_var" id="config_var_trash_'+configvars_sorted[i][2]+'" x-data="'+configvars_sorted[i][2]+'"></i> </dt>'
                    orightml += '<dd class="lead">'
                    orightml += '    <span id="config_var_value_'+configvars_sorted[i][2]+'"></span>'
                    orightml += '    <i class="icon-pencil js-icon-pencil-config_var" x-data="'+configvars_sorted[i][2]+'"></i>'
                    orightml += '    <form id="change-config_var-form_'+configvars_sorted[i][2]+'" style="display:none;">'
                    orightml += '        <div class="input-append">'
                    orightml += '            <input type="text" class="input-xlarge js-new-config_var" id="new-config_var_'+configvars_sorted[i][2]+'" value="">'
                    orightml += '            <button class="btn js-apply-change-config_var" type="button" x-data="'+configvars_sorted[i][2]+':'+configvars_sorted[i][0]+'" disabled>Save</button>'
                    orightml += '            <button type="button" class="btn btn-link js-cancel-change-config_var" x-data="'+configvars_sorted[i][2]+'">Cancel</button>'
                    orightml += '        </div>'
                    orightml += '    </form>'
                    orightml += '</dd> </div>'
                }
            }

            // update configvars list HTML framework
            $("dl#configvar-list").html(orightml);

            // insert the name/value pairs safely as non-HTML
            for (i = 0; i < configvars_sorted.length; i++) {
                $('#config_var_entry_'+configvars_sorted[i][2]).text(configvars_sorted[i][0]);
                $('#config_var_value_'+configvars_sorted[i][2]).text(configvars_sorted[i][1]);
            }

            // Add the tooltips
            $(".js-icon-trash-config_var").each( function(){ setDeleteTooltip($(this)); });
            $(".js-icon-pencil-config_var").each(function(){ setChangeTooltip($(this)); });

            // re-assert these event handlers
            setEventHandlersForDynamicElements();
        }

        function onEditAjaxSuccess(data, textstatus) {
            // console.log("XHR returned:", data, "(" + textstatus + ")");
            if (data.error != "ok") {
                alert("error on request:\n" + data.error);
                return;
            }

            // delayed page reload?
            if (do_reload) {
                do_reload=false;
                location.reload(true);
            } else {
                onEditPageUpdate(data);
            }
        }

        function onEditAjaxError(jqXHR, textstatus, error) {
            alert("XHR errored:\n" + error + "\n(" + textstatus + ")");
            // re-assert the event handlers
        }

        /* ensure cookie exists {% csrf_token %} */
        function postEditAjaxRequest(reqdata) {
            var ajax = $.ajax({
                    type:"POST",
                    data: $.param(reqdata),
                    url:"{% url 'xhr_configvaredit' project.id%}",
                    headers: { 'X-CSRFToken': $.cookie("csrftoken")},
                    success: onEditAjaxSuccess,
                    error: onEditAjaxError,
            })
        }

        function setDeleteTooltip(object) {
            object.tooltip({ container: 'body', html: true, delay: {show: 400}, title: "Delete" });
        }
        function setChangeTooltip(object) {
            object.tooltip({ container: 'body', html: true, delay: {show: 400}, title: "Change" });
        }

        $(document).ready(function() {

            //
            // Register handlers for static elements
            //

            {% if distro_defined %}
            // change distro variable
            $('#change-distro-icon').click(function() {
                $('#change-distro-icon, #distro').hide();
                $("#change-distro-form").slideDown();
                $("#new-distro").val( $('#distro').text() );
            });

            $('#cancel-change-distro').click(function(){
                $("#change-distro-form").slideUp(function() {
                    $('#distro, #change-distro-icon').show();

                    // reset any dangling error state
                    $('#distro-error-message').text("");
                    var d = document.getElementById("edit-distro-name-div");
                    d.className = d.className.replace(" error","");
                });
            });

            // validate new distro name
            $("input#new-distro").on('input', function (evt) {
                validate_distro_name();
            });

            $('#apply-change-distro').click(function(){
                //$('#repo').parent().removeClass('highlight-go');
                var name = $('#new-distro').val();
                postEditAjaxRequest({"configvarChange" : 'DISTRO:'+name});
                $('#distro').text(name);
                $("#change-distro-form").slideUp(function () {
                    $('#distro, #change-distro-icon').show();
                });
            });
            {% endif %}


            {% if fstypes_defined %}
            // change IMAGE_FSTYPES variable

            $('#change-image_fstypes-icon').click(function() {
                $('#change-image_fstypes-icon, #image_fstypes').hide();
                $("#change-image_fstypes-form").slideDown();
                // avoid false substring matches by including space separators
                var html         = "";
                var fstypes      = " " + document.getElementById("image_fstypes").innerHTML + " ";
                var fstypes_list = document.getElementsByClassName('js-checkbox-fstypes-list');
                // Add the checked boxes first
                if ("  " != fstypes) {
                    for (var i = 0, length = fstypes_list.length; i < length; i++) {
                        if (0 <= fstypes.indexOf(" "+fstypes_list[i].value+" ")) {
                             html += '<label class="checkbox"><input type="checkbox" class="fs-checkbox-fstypes" value="'+fstypes_list[i].value+'" checked="checked">'+fstypes_list[i].value+'</label>\n';
                        }
                    }
                }
                // Add the un-checked boxes second
                for (var i = 0, length = fstypes_list.length; i < length; i++) {
                    if (0  > fstypes.indexOf(" "+fstypes_list[i].value+" ")) {
                        html += '<label class="checkbox"><input type="checkbox" class="fs-checkbox-fstypes" value="'+fstypes_list[i].value+'">'+fstypes_list[i].value+'</label>\n';
                    }
                }
                // Add the 'no search matches' line last
                html += '<label id="no-match-fstypes">No image types found</label>\n';
                // Display the list
                document.getElementById("all-image_fstypes").innerHTML = html;
                $('#no-match-fstypes').hide();

                // Watch elements to disable Save when none are checked
                $(".fs-checkbox-fstypes").each(function(){
                    $(this).click(function() {
                        enableFsTypesSave();
                    });
                });

                // clear the previous filter values and warning messages
                $("input#filter-image_fstypes").val("");
                $('#fstypes-error-message').hide();
            });

            $('#cancel-change-image_fstypes').click(function(){
                $("#change-image_fstypes-form").slideUp(function() {
                    $('#image_fstypes, #change-image_fstypes-icon').show();
                });
            });

            $('#filter-image_fstypes').on('input', function(){
                var valThis = $(this).val().toLowerCase();
                var matchCount=0;
                $('#all-image_fstypes label').each(function(){
                    var text = $(this).text().toLowerCase();
                    var match = text.indexOf(valThis);
                    if (match >= 0) {
                        $(this).show();
                        matchCount += 1;
                    }
                    else {
                        $(this).hide();
                    }
                });
                if (matchCount === 0) {
                   $('#no-match-fstypes').show();
                } else {
                   $('#no-match-fstypes').hide();
                }
            });

            $('#apply-change-image_fstypes').click(function(){
                // extract the selected fstypes and sort them
                var fstypes_array = [];
                var checkboxes = document.getElementsByClassName('fs-checkbox-fstypes');
                $(".fs-checkbox-fstypes:checked").each(function(){
                       fstypes_array.push($(this).val());
                });
                fstypes_array.sort();

                // now make a string of them
                var fstypes = '';
                for (var i = 0, length = fstypes_array.length; i < length; i++) {
                    fstypes += fstypes_array[i] + ' ';
                }
                fstypes = fstypes.trim();

                postEditAjaxRequest({"configvarChange" : 'IMAGE_FSTYPES:'+fstypes});
                $('#image_fstypes').text(fstypes);
                $('#image_fstypes').parent().removeClass('muted');

                $("#change-image_fstypes-form").slideUp(function() {
                    $('#image_fstypes, #change-image_fstypes-icon').show();
                });
            });
            {% endif %}


            {% if image_install_append_defined %}

            // init IMAGE_INSTALL_append trash icon
            setDeleteTooltip($('#delete-image_install-icon'));

            // change IMAGE_INSTALL_append variable
            $('#change-image_install-icon').click(function() {
                // preset the edit value
                var current_val = $("span#image_install").text().trim();
                if (current_val == "Not set") {
                    current_val="";
                    $("#apply-change-image_install").attr("disabled","disabled");
                } else {
                    // insure these non-empty values have single space prefix
                    current_val=" " + current_val;
                }
                $("input#new-image_install").val(current_val);

                $('#change-image_install-icon, #delete-image_install-icon, #image_install').hide();
                $("#change-image_install-form").slideDown();
            });

            $('#cancel-change-image_install').click(function(){
                $("#change-image_install-form").slideUp(function() {
                    $('#image_install, #change-image_install-icon').show();
                    if ($("span#image_install").text() != "Not set") {
                        $('#delete-image_install-icon').show();
                        setDeleteTooltip($('#delete-image_install-icon'));
                    }
                });
            });

            $("#new-image_install").on('input', function(){
                if ($(this).val().trim().length == 0) {
                    $("#apply-change-image_install").attr("disabled","disabled");
                }
                else {
                    $("#apply-change-image_install").removeAttr("disabled");
                }
            });

            $('#apply-change-image_install').click(function(){
                // insure these non-empty values have single space prefix
                var value = " " + $('#new-image_install').val().trim();
                postEditAjaxRequest({"configvarChange" : 'IMAGE_INSTALL_append:'+value});
                $('#image_install').text(value);
                $('#image_install').removeClass('muted');
                $("#change-image_install-form").slideUp(function () {
                    $('#image_install, #change-image_install-icon').show();
                    if (value.length > -1) {
                        $('#delete-image_install-icon').show();
                        setDeleteTooltip($('#delete-image_install-icon'));
                    }
               });
            });

            // delete IMAGE_INSTALL_append variable value
            $('#delete-image_install-icon').click(function(){
                $(this).tooltip('hide');
                postEditAjaxRequest({"configvarChange" : 'IMAGE_INSTALL_append:'+''});
                $('#image_install').parent().fadeOut(1000, function(){
                    $('#image_install').addClass('muted');
                    $('#image_install').text('Not set');
                    $('#delete-image_install-icon').hide();
                    $('#image_install').parent().fadeIn(1000);
                });
            });
            {% endif %}


            {% if package_classes_defined %}
            // change PACKAGE_CLASSES variable
            $('#change-package_classes-icon').click(function() {
                $('#change-package_classes-icon, #package_classes').hide();
                $("#change-package_classes-form").slideDown();

                // initialize the pulldown and checkboxes
                var value = $("#package_classes").text();
                if ( value.indexOf("package_deb") == 0 ) {
                    $("#package_classes-select").prop('selectedIndex', 0);
                    updatePackageClassCheckboxes();
                    if ( value.indexOf("_ipk") > 0 ) {
                        $("#package_class_1_input").attr("checked",true);
                    }
                    if ( value.indexOf("_rpm") > 0 ) {
                        $("#package_class_2_input").attr("checked",true);
                    }
                }

                if ( value.indexOf("package_ipk") == 0 ) {
                    $("#package_classes-select").prop('selectedIndex', 1);
                    updatePackageClassCheckboxes();
                    if ( value.indexOf("_deb") > 0 ) {
                        $("#package_class_1_input").attr("checked",true);
                    }
                    if ( value.indexOf("_rpm") > 0 ) {
                        $("#package_class_2_input").attr("checked",true);
                    }
                }

                if ( value.indexOf("package_rpm") == 0 ) {
                    $("#package_classes-select").prop('selectedIndex', 2);
                    updatePackageClassCheckboxes();
                    if ( value.indexOf("_deb") > 0 ) {
                        $("#package_class_1_input").attr("checked",true);
                    }
                    if ( value.indexOf("_ipk") > 0 ) {
                        $("#package_class_2_input").attr("checked",true);
                    }
                }
            });

            $('#cancel-change-package_classes').click(function(){
                $("#change-package_classes-form").slideUp(function() {
                    $('#package_classes, #change-package_classes-icon').show();
                });
            });

            $('select').change(function() {
                updatePackageClassCheckboxes();
            });

            $('#apply-change-package_classes').click(function(){
                var e   = document.getElementById("package_classes-select");
                var val = e.options[e.selectedIndex].text;

                pc1_checked = document.getElementById("package_class_1_input").checked;
                pc2_checked = document.getElementById("package_class_2_input").checked;
                if (val == "package_deb") {
                    if (pc1_checked) val = val + " package_ipk";
                    if (pc2_checked) val = val + " package_rpm";
                }
                if (val == "package_ipk") {
                    if (pc1_checked) val = val + " package_deb";
                    if (pc2_checked) val = val + " package_rpm";
                }
                if (val == "package_rpm") {
                    if (pc1_checked) val = val + " package_deb";
                    if (pc2_checked) val = val + " package_ipk";
                }

                $('#package_classes').text(val);
                //$('#package_classes').parent().removeClass('muted');
                postEditAjaxRequest({"configvarChange" : 'PACKAGE_CLASSES:'+val});
                $("#change-package_classes-form").slideUp(function() {
                    $('#package_classes, #change-package_classes-icon').show();
                });
            });
            {% endif %}

            // add new variable
            $("button#add-configvar-button").click( function (evt) {
                var variable = $("input#variable").val();
                var value    = $("input#value").val();

                postEditAjaxRequest({"configvarAdd" : variable+':'+value});

                // clear the previous values
                $("input#variable").val("");
                $("input#value").val("");
                // Disable add button
                $(".save").attr("disabled","disabled");

                // Reload page if admin-removed core managed value is manually added back in
                if (0 <= " DISTRO IMAGE_FSTYPES IMAGE_INSTALL_append PACKAGE_CLASSES ".indexOf( " "+variable+" " )) {
                    // delayed reload to avoid race condition with postEditAjaxRequest
                    do_reload=true;
                }
            });

            // validate new variable name and value
            $("#variable, #value").on('input', function() {
                validate_new_variable();
            });

            //
            // draw and register the dynamic configuration variables and handlers
            //

            var data = {
                configvars : []
            };
            {% for c in configvars %}
                data.configvars.push([ "{{c.name}}","{{c.value}}","{{c.pk}}" ]);
                {% if '' != vars_context|get_dict_value:c.name %}
                    data.vars_context[ "{{c.name}}" ] = "{{vars_context|get_dict_value:c.name }}";
                {% endif %}
            {% endfor %}

            // draw these elements and assert their event handlers
            onEditPageUpdate(data);
        });

    </script>

{% endblock %}
