Polymer 2 deprecates the 'fire' method for legacy elements. So let's use gerrit's core fire method which is almost exactly the same. Change-Id: I59aebd29a89d26d9cb39e63e9a41afa9756b942f
		
			
				
	
	
		
			102 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright (C) 2017 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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(function() {
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  'use strict';
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  const REQUEST_DEBOUNCE_INTERVAL_MS = 200;
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  Polymer({
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    is: 'gr-list-view',
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    _legacyUndefinedCheck: true,
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    properties: {
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      createNew: Boolean,
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      items: Array,
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      itemsPerPage: Number,
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      filter: {
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        type: String,
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        observer: '_filterChanged',
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      },
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      offset: Number,
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      loading: Boolean,
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      path: String,
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    },
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    behaviors: [
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      Gerrit.BaseUrlBehavior,
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      Gerrit.FireBehavior,
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      Gerrit.URLEncodingBehavior,
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    ],
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    detached() {
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      this.cancelDebouncer('reload');
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    },
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    _filterChanged(newFilter, oldFilter) {
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      if (!newFilter && !oldFilter) {
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        return;
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      }
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      this._debounceReload(newFilter);
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    },
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    _debounceReload(filter) {
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      this.debounce('reload', () => {
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        if (filter) {
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          return page.show(`${this.path}/q/filter:` +
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              this.encodeURL(filter, false));
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        }
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        page.show(this.path);
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      }, REQUEST_DEBOUNCE_INTERVAL_MS);
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    },
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    _createNewItem() {
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      this.fire('create-clicked');
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    },
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    _computeNavLink(offset, direction, itemsPerPage, filter, path) {
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      // Offset could be a string when passed from the router.
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      offset = +(offset || 0);
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      const newOffset = Math.max(0, offset + (itemsPerPage * direction));
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      let href = this.getBaseUrl() + path;
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      if (filter) {
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        href += '/q/filter:' + this.encodeURL(filter, false);
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      }
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      if (newOffset > 0) {
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        href += ',' + newOffset;
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      }
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      return href;
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    },
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    _computeCreateClass(createNew) {
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      return createNew ? 'show' : '';
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    },
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    _hidePrevArrow(loading, offset) {
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      return loading || offset === 0;
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    },
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    _hideNextArrow(loading, items) {
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      if (loading || !items || !items.length) {
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        return true;
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      }
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      const lastPage = items.length < this.itemsPerPage + 1;
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      return lastPage;
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    },
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  });
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})();
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