content: /*
   * The MIT License (MIT)
   *
   * Copyright (c) 2016-2017 Dan "Ducky" Little
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  
  import React from 'react';
  import { connect } from 'react-redux';
  
  import { setMapSourceZIndex } from '../../../actions/mapSource';
  import { getLayersByZOrder } from '../../../util';
  
  import { Tool } from '../tools';
  
  /* Move the layer up in the stack.
   */
  export class UpTool extends React.Component {
      onClick() {
          // this is the map-source to go "up"
          const up_src = this.props.layer.src[0];
          const layer_order = getLayersByZOrder(this.props.catalog, this.props.mapSources);
  
          const actions = [];
          for(let i = 0, ii = layer_order.length; i < ii; i++) {
              const layer = layer_order[i];
              if(layer.layer.src[0].mapSourceName === up_src.mapSourceName) {
                  const swap = i + this.props.direction;
                  if(swap >= 0 && swap < ii) {
                      const current_z = layer.zIndex;
                      const new_z = layer_order[swap].zIndex;
                      const other_ms = layer_order[swap].layer.src[0].mapSourceName;
  
                      actions.push({mapSourceName: up_src.mapSourceName, z: new_z});
                      actions.push({mapSourceName: other_ms, z: current_z});
                  }
              }
          }
  
          for(let i = 0, ii = actions.length; i < ii; i++) {
              const action = actions[i];
              this.props.setZIndex(action.mapSourceName, action.z);
          }
      }
  
      render() {
          return (
              <Tool
                  tip={this.props.tip}
                  iconClass={this.props.iconClass}
                  onClick={() => {
                      this.onClick();
                  }}
              />
          );
      }
  }
  
  UpTool.defaultProps = {
      tip: 'layer-up-tip',
      iconClass: 'up',
      direction: -1,
      setZIndex: function() {
      },
  };
  
  function mapState(state) {
      return {
          catalog: state.catalog,
          mapSources: state.mapSources,
      };
  }
  
  function mapDispatch(dispatch) {
      return {
          setZIndex: (mapSourceName, z) => {
              dispatch(setMapSourceZIndex(mapSourceName, z));
          },
      };
  }
  
  export default connect(mapState, mapDispatch)(UpTool);
  