text: import * as d3 from 'd3';
  import { d3combobox } from '../lib/d3.combobox.js';
  import { t } from '../util/locale';
  import { actionChangeMember, actionDeleteMember } from '../actions/index';
  import { modeBrowse, modeSelect } from '../modes/index';
  import { osmEntity } from '../osm/index';
  import { svgIcon } from '../svg/index';
  import { services } from '../services/index';
  import { uiDisclosure } from './disclosure';
  import { utilDisplayName } from '../util/index';
  
  
  export function uiRawMemberEditor(context) {
      var id,
          taginfo = services.taginfo;
  
  
      function selectMember(d) {
          d3.event.preventDefault();
          context.enter(modeSelect(context, [d.id]));
      }
  
  
      function changeRole(d) {
          var role = d3.select(this).property('value');
          var member = { id: d.id, type: d.type, role: role };
          context.perform(
              actionChangeMember(d.relation.id, member, d.index),
              t('operations.change_role.annotation')
          );
      }
  
  
      function deleteMember(d) {
          context.perform(
              actionDeleteMember(d.relation.id, d.index),
              t('operations.delete_member.annotation')
          );
  
          if (!context.hasEntity(d.relation.id)) {
              context.enter(modeBrowse(context));
          }
      }
  
  
      function rawMemberEditor(selection) {
          var entity = context.entity(id),
              memberships = [];
  
          entity.members.forEach(function(member, index) {
              memberships.push({
                  index: index,
                  id: member.id,
                  type: member.type,
                  role: member.role,
                  relation: entity,
                  member: context.hasEntity(member.id)
              });
          });
  
          selection.call(uiDisclosure()
              .title(t('inspector.all_members') + ' (' + memberships.length + ')')
              .expanded(true)
              .on('toggled', toggled)
              .content(content)
          );
  
  
          function toggled(expanded) {
              if (expanded) {
                  selection.node().parentNode.scrollTop += 200;
              }
          }
  
  
          function content(wrap) {
              var list = wrap.selectAll('.member-list')
                  .data([0]);
  
              list.enter()
                  .append('ul')
                  .attr('class', 'member-list');
  
              var items = list.selectAll('li')
                  .data(memberships, function(d) {
                      return osmEntity.key(d.relation) + ',' + d.index + ',' +
                          (d.member ? osmEntity.key(d.member) : 'incomplete');
                  });
  
              items.exit()
                  .each(unbind)
                  .remove();
  
              var enter = items.enter()
                  .append('li')
                  .attr('class', 'member-row form-field')
                  .classed('member-incomplete', function(d) { return !d.member; });
  
              enter
                  .each(function(d) {
                      if (d.member) {
                          var label = d3.select(this).append('label')
                              .attr('class', 'form-label')
                              .append('a')
                              .attr('href', '#')
                              .on('click', selectMember);
  
                          label.append('span')
                              .attr('class', 'member-entity-type')
                              .text(function(d) { return context.presets().match(d.member, context.graph()).name(); });
  
                          label.append('span')
                              .attr('class', 'member-entity-name')
                              .text(function(d) { return utilDisplayName(d.member); });
  
                      } else {
                          d3.select(this).append('label')
                              .attr('class', 'form-label')
                              .text(t('inspector.incomplete'));
                      }
                  });
  
              enter
                  .append('input')
                  .attr('class', 'member-role')
                  .property('type', 'text')
                  .attr('maxlength', 255)
                  .attr('placeholder', t('inspector.role'))
                  .property('value', function(d) { return d.role; })
                  .on('change', changeRole);
  
              enter
                  .append('button')
                  .attr('tabindex', -1)
                  .attr('class', 'remove button-input-action member-delete minor')
                  .on('click', deleteMember)
                  .call(svgIcon('#operation-delete'));
  
              if (taginfo) {
                  enter.each(bindTypeahead);
              }
  
  
              function bindTypeahead(d) {
                  var row = d3.select(this),
                      role = row.selectAll('input.member-role');
  
                  function sort(value, data) {
                      var sameletter = [],
                          other = [];
                      for (var i = 0; i < data.length; i++) {
                          if (data[i].value.substring(0, value.length) === value) {
                              sameletter.push(data[i]);
                          } else {
                              other.push(data[i]);
                          }
                      }
                      return sameletter.concat(other);
                  }
  
                  role.call(d3combobox()
                      .fetcher(function(role, callback) {
                          var rtype = entity.tags.type;
                          taginfo.roles({
                              debounce: true,
                              rtype: rtype || '',
                              geometry: context.geometry(d.member.id),
                              query: role
                          }, function(err, data) {
                              if (!err) callback(sort(role, data));
                          });
                      }));
              }
  
  
              function unbind() {
                  var row = d3.select(this);
  
                  row.selectAll('input.member-role')
                      .call(d3combobox.off);
              }
          }
      }
  
  
      rawMemberEditor.entityID = function(_) {
          if (!arguments.length) return id;
          id = _;
          return rawMemberEditor;
      };
  
  
      return rawMemberEditor;
  }
  