pnsk-structured-editor/pnsk-structured-editor-javascript.html at master · patternseek/pnsk-structured-editor · GitHub

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<link rel="import" href="../polymer/polymer-micro.html">

<template id="pnsk-structured-editor-javascript" noshadowroot>
    <textarea rows="3" cols="30" class="scriptbox"></textarea>
    <content></content>
</template>


<script>
    Polymer({
        is: 'pnsk-structured-editor-javascript',
        behaviors: [MinimalComponent],

        template: currentImport.querySelector('#pnsk-structured-editor-javascript'),

        dataType: "javascript",

        getState: function () {
            return this.root.querySelector(".scriptbox").value;
        },

        setState: function (state) {
            this.root.querySelector(".scriptbox").value = state;
        },

        _onChange: function () {
            var event = new Event('pnsk-component-stateChanged');
            this.dispatchEvent(event);
            this.updateHeight();
        },

        updateHeight: function () {
            var textBox = this.qs("textarea");
            if (textBox.clientHeight == textBox.scrollHeight) {
                textBox.style.height = "auto";
            }
            textBox.style.height = textBox.scrollHeight + 'px'
        },

        // Element Lifecycle

        created: function () {
            this.root.querySelector(".scriptbox").addEventListener("change", this._onChange.bind(this));
            this.root.querySelector(".scriptbox").addEventListener("keyup", this._onChange.bind(this));
            this.root.querySelector(".scriptbox").addEventListener("paste", this._onChange.bind(this));
            this.root.querySelector(".scriptbox").addEventListener("cut", this._onChange.bind(this));

        },

        attached: function () {
            this.updateHeight();
        }

    });

</script>