| // Copyright 2012 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.
package com.google.collide.client.code.autocomplete.css;
import com.google.collide.client.code.autocomplete.AbstractTrie;
import com.google.collide.client.code.autocomplete.AutocompleteProposal;
import com.google.collide.json.client.JsoArray;
import com.google.collide.json.shared.JsonArray;
import com.google.collide.shared.util.JsonCollections;
/**
* Holder of all possible CSS attributes.
*/
public class CssTrie {
private static final JsonArray<String> ELEMENTS = JsoArray.from("azimuth",
"background",
"background-attachment",
"background-color",
"background-image",
"background-position",
"background-repeat",
"border",
"border-bottom",
"border-bottom-color",
"border-bottom-style",
"border-bottom-width",
"border-collapse",
"border-color",
"border-left",
"border-left-color",
"border-left-style",
"border-left-width",
"border-right",
"border-right-color",
"border-right-style",
"border-right-width",
"border-spacing",
"border-style",
"border-top",
"border-top-color",
"border-top-style",
"border-top-width",
"border-width",
"bottom",
"caption-side",
"clear",
"clip",
"color",
"content",
"counter-increment",
"counter-reset",
"cue",
"cue-after",
"cue-before",
"cursor",
"direction",
"display",
"elevation",
"empty-cells",
"float",
"font",
"font-family",
"font-size",
"font-style",
"font-variant",
"font-weight",
"height",
"left",
"letter-spacing",
"line-height",
"list-style",
"list-style-image",
"list-style-position",
"list-style-type",
"margin",
"margin-bottom",
"margin-left",
"margin-right",
"margin-top",
"max-height",
"max-width",
"min-height",
"min-width",
"orphans",
"outline",
"outline-color",
"outline-style",
"outline-width",
"overflow",
"padding",
"padding-bottom",
"padding-left",
"padding-right",
"padding-top",
"page-break-after",
"page-break-before",
"page-break-inside",
"pause",
"pause-after",
"pause-before",
"pitch",
"pitch-range",
"play-during",
"position",
"quotes",
"richness",
"right",
"speak",
"speak-header",
"speak-numeral",
"speak-punctuation",
"speech-rate",
"stress",
"table-layout",
"text-align",
"text-decoration",
"text-indent",
"text-transform",
"top",
"unicode-bidi",
"vertical-align",
"visibility",
"voice-family",
"volume",
"white-space",
"widows",
"width",
"word-spacing",
"z-index");
public static AbstractTrie<AutocompleteProposal> createTrie() {
AbstractTrie<AutocompleteProposal> result = new AbstractTrie<AutocompleteProposal>();
for (String name : ELEMENTS.asIterable()) {
result.put(name, new AutocompleteProposal(name));
}
return result;
}
/**
* Finds all autocompletions and filters them based on a) the prefix that the
* user has already typed, and b) the properties that are already present.
*
* @param prefix the prefix of the property that the user has already typed
* @param completedProperties the properties that are already in the document
* for the given property
* @return an array of autocompletions, or an empty array if there are no
* autocompletion proposals
*/
public static JsonArray<AutocompleteProposal> findAndFilterAutocompletions(
AbstractTrie<AutocompleteProposal> trie, String prefix,
JsonArray<String> completedProperties) {
prefix = prefix.toLowerCase();
JsonArray<AutocompleteProposal> allProposals = trie.search(prefix);
JsonArray<AutocompleteProposal> result = JsonCollections.createArray();
for (AutocompleteProposal proposal : allProposals.asIterable()) {
if (!completedProperties.contains(proposal.getName())) {
result.add(proposal);
}
}
return result;
}
}
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