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61
library/src/main/kotlin/jahirfiquitiva/libs/blueprint/ui/adapters/FiltersAdapter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Copyright (c) 2018. Jahir Fiquitiva | ||
| * | ||
| * Licensed under the CreativeCommons Attribution-ShareAlike | ||
| * 4.0 International License. You may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://creativecommons.org/licenses/by-sa/4.0/legalcode | ||
| * | ||
| * 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 jahirfiquitiva.libs.blueprint.ui.adapters | ||
|
|
||
| import android.view.ViewGroup | ||
| import ca.allanwang.kau.utils.inflate | ||
| import jahirfiquitiva.libs.archhelpers.ui.adapters.RecyclerViewListAdapter | ||
| import jahirfiquitiva.libs.blueprint.R | ||
| import jahirfiquitiva.libs.blueprint.models.Filter | ||
| import jahirfiquitiva.libs.blueprint.ui.adapters.viewholders.FilterChipHolder | ||
|
|
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| class FiltersAdapter(private val onSelectionChange: (Filter, Boolean) -> Unit) : | ||
| RecyclerViewListAdapter<Filter, FilterChipHolder>() { | ||
|
|
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| val selectedFilters = ArrayList<Filter>() | ||
|
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| fun updateSelectedFilters(filters: ArrayList<Filter>) { | ||
| selectedFilters.clear() | ||
| selectedFilters.addAll(filters) | ||
| notifyDataSetChanged() | ||
| } | ||
|
|
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| fun toggleFilter(filter: Filter, checked: Boolean) { | ||
| if (checked) addToSelected(filter) else removeFromSelected(filter) | ||
| } | ||
|
|
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| private fun addToSelected(filter: Filter) { | ||
| if (selectedFilters.contains(filter)) return | ||
| selectedFilters.add(filter) | ||
| notifyDataSetChanged() | ||
| } | ||
|
|
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| private fun removeFromSelected(filter: Filter) { | ||
| if (!selectedFilters.contains(filter)) return | ||
| selectedFilters.remove(filter) | ||
| notifyDataSetChanged() | ||
| } | ||
|
|
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| override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FilterChipHolder = | ||
| FilterChipHolder(parent.inflate(R.layout.item_filter_chip)) | ||
|
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| override fun doBind(holder: FilterChipHolder, position: Int, shouldAnimate: Boolean) { | ||
| val rightItem = list[position] | ||
| holder.bind( | ||
| rightItem, selectedFilters.any { it.title.equals(rightItem.title, true) }, | ||
| onSelectionChange) | ||
| } | ||
| } |
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