polymer-apigility/api-resource.html at develop · visa4/polymer-apigility · GitHub

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<dom-module id="apigility-resource">
    <template>
        <content></content>
    </template>
    <script>
        'use strict';

        Polymer({
            is: 'apigility-resource',

            properties: {

                resourceName: {
                    type: String,
                    value: null
                },

                iAmEntity: {
                    type: Boolean,
                    value: false
                },

                hasIdentifier: {
                    type: Boolean,
                    value: false
                },

                identifier: {
                    type: String,
                    value: null
                },

                readyResource: {
                    type: Boolean,
                    readOnly: true,
                    value: false
                },

                countEvent: {
                    type: Number,
                    readOnly: true
                }
            },

            observers: [
                'observePathParams(resourceName, identifier, hasIdentifier)'
            ],

            listeners: {
                'change-local-path':'changeLocalPath'
            },

            changeLocalPath: function (event) {
                if (this.countEvent === null || this.countEvent === undefined) {
                    this._setCountEvent(0);
                }
                this._setCountEvent(this.countEvent + 1);
                if (this.countResource() <= this.countEvent) {
                    this._setReadyResource(true);
                }

                if (this.parentElement.is !== 'apigility-resource') {
                    if (this.readyResource) {
                        if (this.countResource() == this.countEvent) {
                            this.fire('ready-path');
                        } else {
                            this.fire('change-path');
                        }
                    }
                }
            },

            observePathParams: function (resourceName, identifier, hasIdentifier) {
                var event = {"resourceName": this.resourceName};
                if (resourceName && hasIdentifier === false) {
                    this.fire('change-local-path', event);
                }

                if (resourceName && identifier && hasIdentifier === true) {
                    this.fire('change-local-path', event);
                }
            },

            _getNestedResource: function () {
                return this.querySelector('apigility-resource');
            },

            getPath: function () {
                return "/" + this.resourceName + ((this.identifier) ? "/" + this.identifier : "");
            },


            /**
             * Return the string that rapresent the path of url
             *
             * @returns {string}
             */
            getFullPath: function () {
                var nested = this._getNestedResource();
                var url = '';
                if (nested) {
                    url = url + nested.getFullPath();
                }
                return this.getPath() + url;
            },

            /**
             * Set the identifier of the leaf apigility-resource element
             *
             * @returns {boolean}
             */
            setNestedId: function (id) {
                var nested = this._getNestedResource();
                if (nested) {
                    return nested.setNestedId(id);
                } else {
                    this.identifier = id;
                    this.hasIdentifier = true;
                }
                return this;
            },

            /**
             * Return true if the element has not nested apigility-resource, it's a leaf
             *
             * @returns {boolean}
             */
            isEntity: function () {
                var nested = this._getNestedResource();

                if (this.iAmEntity && this.identifier) {
                    return true;
                } else if (nested) {
                    return nested.isEntity();
                } else if (this.identifier) {
                    return true;
                }
                return false;
            },

            /**
             * Return the count of the nested apigility-resource
             *
             * @returns {number}
             */
            countResource: function () {
                var nested = this._getNestedResource();
                var count = 0;
                if (nested) {
                    count += nested.countResource();
                }
                return count += 1;
            }
        });
    </script>
</dom-module>