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index.html
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<script src="https://code.jquery.com/jquery-3.3.1.js" integrity="sha256-2Kok7MbOyxpgUVvAk/HJ2jigOSYS2auK4Pfzbm7uH60=" crossorigin="anonymous"></script>
<script src="./rules.js"></script>
<link rel="stylesheet" type="text/css" href="style.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/draggable/1.0.0-beta.8/draggable.bundle.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/dragula/3.7.2/dragula.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/dragula/3.7.2/dragula.js"></script>
<body>
<input type="button" value="generate Rule" onclick="GenerateRules()">
<div class="rule-definition">
<!-- It will render here-->
</div>
<div class="group-template" style="display:none">
<div class="options">
<div class="option-absolute">
<select>
<option value="ALL">ALL</option>
<option value="ANY">ANY</option>
</select>
<input type="button" class="insert-group" value="Add Group" onclick="addGroup(this)" />
<input type="button" class="insert-rule" value="Add Rule" onclick="addRule(this)" />
<input type="button" class="remove-group" value="Remove" onclick="removeGroup(this)" />
<button class="drag-handler">↑↓</button>
</div>
</div>
<div class="group-container">
</div>
</div>
<div class="rule-template" style="display:none">
FactName <select class="dropdown"><option>Operator</option></select> <input type="text" value="Value">
<input type="button" value="remove" onclick="removeRule(this)" />
<button class="drag-handler">↑↓</button>
</div>
<script>
var drake = dragula({
isContainer: function (el) {
return el.classList.contains('group-container');
},
moves: function (el, source, handle, sibling) {
if (handle.classList.contains('drag-handler')) return true;
return false;
},
});
function GenerateRules() {
var firstChildren = $(".rule-definition").children(".group");
var rule = Generate(firstChildren);
var ruleStr = JSON.stringify(rule, null, 4);
alert("check Console!");
console.log(rule);
console.log(ruleStr);
}
function Generate(block) {
var data;
if ($(block).hasClass("rule")) {
return { fact: "f1", operator: "equals", value: 1 }
} else if ($(block).children(".options").find("select").val() == "ALL") {
var groupArray = $(block).children(".group-container").children(".group,.rule");
var data = [];
groupArray.each(function (i, e) {
data.push(Generate($(e)));
});
return { all: data };
} else if ($(block).children(".options").find("select").val() == "ANY") {
var groupArray = $(block).children(".group-container").children(".group,.rule");
var data = [];
groupArray.each(function (i, e) {
data.push(Generate($(e)));
});
return { any: data };
}
}
function addRule(e) {
var rule = $(".rule-template").clone();
rule.removeClass("rule-template");
rule.addClass("rule");
rule.show();
$(e).closest(".group").find(".group-container:first").append(rule);
}
function removeRule(e) {
$(e).closest(".rule").remove();
}
function removeGroup(e) {
var group = $(e).closest(".group");
if (group.find(".rule").length) {
alert("it has rules, first you need to remove them");
} else {
$(e).closest(".group").remove();
}
}
function addGroup(e) {
var existGroup = $(e).closest(".group");
var container = existGroup.find(".group-container:first");
var group = $(".group-template").clone();
group.removeClass("group-template");
group.addClass("group");
$(container).append(group);
$(group).show();
}
$(function () {
RenderRules();
})
function RenderRules() {
var html = Render(conditions);
$(".rule-definition").html(html);
}
function Render(data) {
if (Array.isArray(data)) {
var html = data.map(r => Render(r)).join("");
return html;
}
else {
var html = "";
if (data.all) { //'all' group
var group = $(".group-template").clone();
$(group).removeClass("group-template");
$(group).addClass("group");
$(group).show();
$(group).find("select option[value='ALL']").attr("selected", "selected");
var innerHtml = Render(data.all);
$(group).find(".group-container").html(innerHtml);
html = $(group)[0].outerHTML;
$(group).remove();
}
if (data.any) { //'any' group
var group = $(".group-template").clone();
$(group).removeClass("group-template");
$(group).addClass("group");
$(group).show();
$(group).find("select option[value='ANY']").attr("selected", "selected");
var innerHtml = Render(data.any);
$(group).find(".group-container").html(innerHtml);
html = $(group)[0].outerHTML;
$(group).remove();
}
if (!data.all && !data.any) { // that means we have fact!
var rule = $(".rule-template").clone();
rule.removeClass("rule-template");
rule.addClass("rule");
rule.show();
html = $(rule)[0].outerHTML;
rule.remove();
}
return html;
}
}
</script>
</body>