strolch-wc-inspector/strolch-wc-inspector-objects.html

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

<link rel="import" href="../paper-toolbar/paper-toolbar.html">

<link rel="import" href="../iron-ajax/iron-ajax.html">
<link rel="import" href="../iron-pages/iron-pages.html">

<link rel="import" href="../strolch-wc-styles/strolch-wc-styles.html">

<link rel="import" href="strolch-wc-inspector-object.html">

<dom-module id="strolch-wc-inspector-objects">

    <template>

        <style is="strolch-wc-styles">

            :host {
                display: block;
                margin: 0;
                padding: 0;
                height: 100%;
            }

            .title {
                margin-top: 2em;
                font-weight: bold;
                font-size: 1rem;
            }

            .card {
                background-color: #ffffff;
                cursor: pointer;
                border-style: none;
            }

            paper-toolbar {
                --paper-toolbar-height: 42px;
            }

        </style>

        <template is="dom-if" if="[[_noElements(objectSummaries)]]" restamp>
            <p class="title g-center">No [[objectType]] objects exists.</p>
        </template>

        <template is="dom-if" if="[[!_noElements(objectSummaries)]]" restamp>

            <iron-pages selected="{{section}}" attr-for-selected="name">

                <section name="typesSummary" class="g-pt-4">

                    <template is="dom-repeat" items="[[objectSummaries.types]]">
                        <div class="g-row">
                            <div class="g-offset-4 g-4">
                                <paper-material class="card g-m-2 g-p-4" elevation="1" on-tap="_showTypeDetails">
                                    <p class="g-mb-0">[[objectType]] of type <b>[[item.type]]</b> ([[item.size]])</p>
                                </paper-material>
                            </div>
                        </div>
                    </template>
                </section>

                <section name="typeDetails">

                    <div class="g-row">
                        <div class="g-12">
                            <paper-toolbar on-tap="_closeTypeDetails">
                                <paper-icon-button icon="arrow-back"></paper-icon-button>
                                <span class="align-text-bottom">Showing [[objectType]] objects of type [[selectedType]]</span>
                            </paper-toolbar>

                            <template is="dom-repeat" items="[[objects.data]]">
                                <strolch-wc-inspector-object base-path="[[basePath]]"
                                                             app="[[app]]"
                                                             realm="[[realm]]"
                                                             object="[[item]]"></strolch-wc-inspector-object>
                            </template>

                        </div>
                    </div>

                    <div class="g-row">
                        <div class="g-12">
                            <div class="g-m-2 g-center">
                                <paper-icon-button icon="first-page" on-tap="_toFirstPage"></paper-icon-button>
                                <paper-icon-button icon="chevron-left" on-tap="_toPreviousPage"></paper-icon-button>
                                <span>[[objects.offset]] to [[_getEnd(objects)]] of [[objects.size]]</span>
                                <paper-icon-button icon="chevron-right" on-tap="_toNextPage"></paper-icon-button>
                                <paper-icon-button icon="last-page" on-tap="_toLastPage"></paper-icon-button>
                            </div>
                        </div>
                    </div>

                </section>

            </iron-pages>

        </template>

        <iron-ajax id="ajax"
                   content-type="application/json"
                   handle-as="json"
                   on-response="_handleAjaxResponse"
                   on-error="_handleAjaxError"></iron-ajax>

    </template>

    <script>

        Polymer({

            is: 'strolch-wc-inspector-objects',

            properties: {
                app: {
                    type: Object,
                    value: function () {
                        return null;
                    }
                },
                basePath: {
                    type: String,
                    value: './'
                },
                realm: {
                    type: String,
                    value: function () {
                        return null;
                    }
                },
                objectType: {
                    type: String,
                    value: function () {
                        return null;
                    }
                },
                objectSummaries: {
                    type: Object,
                    value: function () {
                        return null;
                    },
                    observer: "_objectSummariesChanged"
                },
                section: {
                    type: String,
                    value: function () {
                        return 'typesSummary';
                    }
                },
                selectedType: {
                    type: String,
                    value: function () {
                        return null;
                    }
                },
                objects: {
                    type: Object,
                    value: function () {
                        return null;
                    }
                },
                offset: {
                    type: Number,
                    value: function () {
                        return 0;
                    }
                },
                limit: {
                    type: Number,
                    value: function () {
                        return 20;
                    }
                }
            },

            _objectSummariesChanged: function (newValue, oldValue) {
                this.selectedType = null;
                this.section = 'typesSummary';
                this.selectedType = null;
                this.objects = null;
                Strolch.setQueryParamValue('type', null);
            },

            _noElements: function (objectSummaries) {
                return objectSummaries == null || objectSummaries.types.length == 0;
            },

            _showTypeDetails: function (evt) {
                this.selectedType = evt.model.item.type;
                this.section = 'typeDetails';
                this.objects = null;
                console.log('Showing type ' + this.selectedType);
                Strolch.setQueryParamValue('type', this.selectedType);
                this.reloadTypeDetails();
            },

            _closeTypeDetails: function () {
                this.section = 'typesSummary';
                this.selectedType = null;
                this.objects = null;
                Strolch.setQueryParamValue('type', null);
            },

            _typeSubPath: function (selectedType) {
                if (selectedType == 'Resource') {
                    return 'resources';
                } else if (selectedType == 'Order') {
                    return 'orders';
                } else if (selectedType == 'Activity') {
                    return 'activities';
                } else {
                    throw 'Unhandled selected type ' + selectedType;
                }
            },

            _hasNext: function (objects) {
                return objects != null && objects.nextOffset > objects.offset;
            },
            _hasPrevious: function (objects) {
                return objects != null && objects.previousOffset < objects.offset;
            },

            _getEnd: function (objects) {
                if (this._hasNext(objects))
                    return objects.nextOffset;
                return objects == null ? 0 : objects.size;
            },

            _toFirstPage: function () {
                this.offset = 0;
                this.reloadTypeDetails();
            },
            _toPreviousPage: function () {
                this.offset = this.objects.previousOffset;
                this.reloadTypeDetails();
            },
            _toNextPage: function () {
                this.offset = this.objects.nextOffset;
                this.reloadTypeDetails(this.objects.nextOffset);
            },
            _toLastPage: function () {
                this.offset = this.objects.lastOffset;
                this.reloadTypeDetails(this.objects.lastOffset);
            },

            reloadTypeDetails: function () {

                this._handleAjaxResponse = function (data) {
                    this.set('objects', data.detail.response);
                };

                var url = this.basePath + 'rest/strolch/inspector/' + this.realm + '/' + this._typeSubPath(this.objectType) + '/' + this.selectedType;
                url += '?offset=' + this.offset + '&limit=' + this.limit + "&orderBy=id";

                this.$.ajax.url = url;
                this.$.ajax.method = 'GET';
                this.$.ajax.generateRequest();
            },

            ready: function () {

            },

            reload: function () {

            },

            _handleAjaxResponse: function (evt) {
                console.log('NOT YET DEFINED!');
            },

            _handleAjaxError: function (data) {
                var dlgTitle = 'Debug action failed';
                var dlgText;
                if (data.detail.request.response) {
                    dlgText = data.detail.request.response.msg;
                } else {
                    dlgText = data.detail.error;
                }
                this.app.showError(dlgTitle, dlgText);
            }
        });

    </script>

</dom-module>