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Justine Tunney 2016-03-01 17:18:14 -05:00
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java/com/google/domain/registry/ui/js/resource_component.js Normal file
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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('registry.ResourceComponent');
goog.require('goog.dom');
goog.require('goog.json');
goog.require('registry.EditItem');
goog.require('registry.forms');
goog.require('registry.util');
/**
* The ResourceComponent class respresents server state for a named
* resource and binds UI CRUD operations on it, or its constituent
* collection.
* @param {!registry.Console} console console singleton.
* @param {!registry.Resource} resource the RESTful resource.
* @param {!Function} itemTmpl
* @param {Function} renderSetCb may be null if this resource is only
* ever an item.
* @constructor
* @extends {registry.EditItem}
*/
registry.ResourceComponent = function(
console,
resource,
itemTmpl,
renderSetCb) {
registry.ResourceComponent.base(this, 'constructor', console, itemTmpl);
/** @type {!registry.Resource} */
this.resource = resource;
/** @type {Function} */
this.renderSetCb = renderSetCb;
};
goog.inherits(registry.ResourceComponent, registry.EditItem);
/** @override */
registry.ResourceComponent.prototype.bindToDom = function(id) {
registry.ResourceComponent.base(this, 'bindToDom', id);
this.fetchItem(id);
};
/** @override */
registry.ResourceComponent.prototype.back = function() {
this.console.view(this.basePath);
};
/** @override */
registry.ResourceComponent.prototype.fetchItem = function(id) {
this.resource.read({}, goog.bind(this.handleFetchItem, this, id));
};
/** @override */
registry.ResourceComponent.prototype.handleFetchItem = function(id, rsp) {
// XXX: Two different protocols are supported here. The new style used in the
// registrar console is first, followed by the item/set style used by
// the admin console.
if ('status' in rsp) {
// New style.
if (rsp.status == 'SUCCESS') {
this.model = rsp.results[0];
this.model.readonly = true;
this.processItem();
this.renderItem(this.model);
} else {
// XXX: Happens if the server restarts while the client has an
// open-session. This should retry.
registry.forms.resetErrors();
registry.forms.displayError(rsp['message'], rsp['field']);
}
} else if ('item' in rsp) {
this.model = rsp.item;
this.model.readonly = true;
this.processItem();
this.renderItem(this.model);
} else if ('set' in rsp && this.renderSetCb != null) {
// XXX: This conditional logic should be hoisted to edit_item when
// collection support is improved.
goog.dom.removeChildren(goog.dom.getRequiredElement('reg-appbar'));
this.renderSetCb(goog.dom.getRequiredElement('reg-content'), rsp);
} else {
registry.util.log('unknown message type in handleFetchItem');
}
};
/** @override */
registry.ResourceComponent.prototype.sendUpdate = function() {
var modelCopy = /** @type {!Object}
*/ (goog.json.parse(goog.json.serialize(this.model)));
this.prepareUpdate(modelCopy);
if (this.id) {
this.resource.update(modelCopy, goog.bind(this.handleUpdateResponse, this));
} else {
this.resource.update(modelCopy, goog.bind(this.handleCreateResponse, this));
}
};
/** @override */
registry.ResourceComponent.prototype.prepareUpdate = function(modelCopy) {
var form = registry.util.parseForm('item');
for (var ndx in form) {
modelCopy[ndx] = form[ndx];
}
};
/** @override */
registry.ResourceComponent.prototype.handleUpdateResponse = function(rsp) {
if (rsp.status) {
if (rsp.status != 'SUCCESS') {
registry.forms.resetErrors();
registry.forms.displayError(rsp['message'], rsp['field']);
return rsp;
}
// XXX: Vestigial state from admin console. Shouldn't be possible to be
// null.
if (this.id) {
this.fetchItem(this.id || '');
this.toggleEdit();
}
return rsp;
}
// XXX: Should be removed when admin console uses new response format.
if (rsp instanceof Object && 'results' in rsp) {
registry.util.butter(rsp['results']);
this.bindToDom(this.nextId || '');
this.nextId = null;
} else {
registry.util.butter(rsp.toString());
}
return rsp;
};
/**
* Handle resource create response.
* @param {!Object} rsp Decoded JSON response from the server.
* @return {!Object} a result object describing next steps. On
* success, if next is defined, visit(ret.next) is called, otherwise
* if err is set, the butterbar message is set to it.
*/
registry.ResourceComponent.prototype.handleCreateResponse =
goog.abstractMethod;
/**
* Handle resource delete response.
* @param {!Object} rsp Decoded JSON response from the server.
* @return {!Object} a result object describing next steps. On
* success, if next is defined, visit(ret.next) is called, otherwise
* if err is set, the butterbar message is set to it.
*/
registry.ResourceComponent.prototype.handleDeleteResponse =
goog.abstractMethod;