RandomSec/extensions/wikidata/module/scripts/dialogs/schema-alignment-dialog.js

/*

Copyright 2010, Google Inc.
All rights reserved.

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 * Redistributions of source code must retain the above copyright
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 * Redistributions in binary form must reproduce the above
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 */

var SchemaAlignment = {};

SchemaAlignment.autoAlign = function() {
  var protograph = {};

  var columns = theProject.columnModel.columns;

  var typedCandidates = [];
  var candidates = [];

  for (var c = 0; c < columns.length; c++) {
    var column = columns[c];
    var typed = (column.reconConfig) && 
    ReconciliationManager.isFreebaseIdOrMid(column.reconConfig.identifierSpace) &&
    ReconciliationManager.isFreebaseId(column.reconConfig.schemaSpace);

    var candidate = {
      status: "unbound",
      typed: typed,
      index: c,
      column: column
    };

    candidates.push(candidate);
    if (typed) {
      typedCandidates.push(candidate);
    }
  }

  if (typedCandidates.length > 0) {

  } else {
    var queries = {};
    for (var i = 0; i < candidates.length; i++) {
      var candidate = candidates[i];
      var name = SchemaAlignment._cleanName(candidate.column.name);
      var key = "t" + i + ":search";
      queries[key] = {
        "query" : name,
        "limit" : 10,
        "type" : "/type/type,/type/property",
        "type_strict" : "any"
      };
    }

    SchemaAlignment._batchSearch(queries, function(result) {
      console.log(result);
    });
  }
};

SchemaAlignment._cleanName = function(s) {
  return s.replace(/\W/g, " ").replace(/\s+/g, " ").toLowerCase();
};

var SchemaAlignmentDialog = {};

SchemaAlignmentDialog.launch = function(onDone) {
  this._onDone = onDone;
  this._hasUnsavedChanges = false;

  this._createDialog();
  this._reset(theProject.overlayModels.wikibaseSchema, true);
}

SchemaAlignmentDialog._reset = function(schema, initial) {
  this._originalSchema = schema || { itemDocuments: [] };
  this._schema = cloneDeep(this._originalSchema); // this is what can be munched on

  $('#schema-alignment-statements-container').empty();

  if (this._schema && this._schema.itemDocuments) {
    for(var i = 0; i != this._schema.itemDocuments.length; i++) {
      this._addItem(this._schema.itemDocuments[i]);
    }
  }

  if (!this._schema.itemDocuments.length) {
    // this._addItem();
  }
  this.preview(initial);
};

SchemaAlignmentDialog._save = function(onDone) {
  var self = this;
  var schema = this.getJSON();

  Refine.postProcess(
    "wikidata",
    "save-wikibase-schema",
    {},
    { schema: JSON.stringify(schema) },
    {},
    {   
      onDone: function() {
        theProject.overlayModels.wikibaseSchema = schema;

        self._elmts.statusIndicator.hide();
        $('.invalid-schema-warning').hide();
        self._hasUnsavedChanges = false;

        if (onDone) onDone();
      }
    }
  );
};

SchemaAlignmentDialog._createDraggableColumn = function(name, reconciled) {
  var cell = $("<div></div>").addClass('wbs-draggable-column').text(name);
  if (reconciled) {
    cell.addClass('wbs-reconciled-column');
  } else {
    cell.addClass('wbs-unreconciled-column');
  }
  return cell;
}

SchemaAlignmentDialog._createDialog = function() {
  var self = this;
  var frame = $(DOM.loadHTML("wikidata", "scripts/dialogs/schema-alignment-dialog.html"));
  var elmts = this._elmts = DOM.bind(frame);

  this._level = DialogSystem.showDialog(frame);
  this._wikibasePrefix = "http://www.wikidata.org/entity/"; // hardcoded for now

  // Init the column area
  var columns = theProject.columnModel.columns;
  this._columnArea = $(".schema-alignment-dialog-columns-area");
  for (var i = 0; i < columns.length; i++) {
     var column = columns[i];
     var reconConfig = column.reconConfig;
     var cell = SchemaAlignmentDialog._createDraggableColumn(column.name, 
        reconConfig && reconConfig.identifierSpace === this._wikibasePrefix && column.reconStats);
     this._columnArea.append(cell);
  }

  $('.wbs-reconciled-column').draggable({
     helper: "clone",
     cursor: "crosshair",
     snap: ".wbs-item-input input, .wbs-target-input input",
  });
  $('.wbs-unreconciled-column').draggable({
     helper: "clone",
     cursor: "crosshair",
     snap: ".wbs-target-input input",
  });


  var dismiss = function() {
    DialogSystem.dismissUntil(self._level - 1);
  };

  elmts.saveButton.click(function() {
    self._save();
  });
  elmts.resetButton.click(function() {
    self._reset(null);
  });
  elmts.closeButton.click(function() {
    if (!self._hasUnsavedChanges || window.confirm("There are unsaved changes. Close anyway?")) {
      dismiss();
    }
  });

  elmts.addItemButton.click(function() {
    self._addItem();
  });

  $("#schema-alignment-tabs").tabs();

  this._previewPanes = $(".schema-alignment-dialog-preview");

  this._canvas = $(".schema-alignment-dialog-canvas");
  this._nodeTable = $('<table></table>').addClass("schema-alignment-table-layout").appendTo(this._canvas)[0];

  var url = ReconciliationManager.ensureDefaultServicePresent();
  SchemaAlignmentDialog._reconService = ReconciliationManager.getServiceFromUrl(url);
  this.preview();
};

SchemaAlignmentDialog._addItem = function(json) {
  var subject = null;
  var statementGroups = null;
  if (json) {
     subject = json.subject;
     statementGroups = json.statementGroups;
  }

  var item = $('<div></div>').addClass('wbs-item');
  var inputContainer = $('<div></div>').addClass('wbs-item-input').appendTo(item);
  SchemaAlignmentDialog._initField(inputContainer, "wikibase-item", subject);
  var right = $('<div></div>').addClass('wbs-right').appendTo(item);
  $('<div></div>').addClass('wbs-statement-group-container').appendTo(right);
  var toolbar = $('<div></div>').addClass('wbs-toolbar').appendTo(right);
  $('<a></a>').addClass('wbs-add-statement-group').text('add statement').click(function() {
     SchemaAlignmentDialog._addStatementGroup(item, null);
  }).appendTo(toolbar);

  if (statementGroups) {
     for(var i = 0; i != statementGroups.length; i++) {
        SchemaAlignmentDialog._addStatementGroup(item, statementGroups[i]);
     }
  } else {
     SchemaAlignmentDialog._addStatementGroup(item);
  }
  $('#schema-alignment-statements-container').append(item);
}

SchemaAlignmentDialog._itemToJSON = function (item) {
    var lst = new Array();
    item.find('.wbs-statement-group').each(function () {
        lst.push(SchemaAlignmentDialog._statementGroupToJSON($(this)));
    });
    var inputContainer = item.find(".wbs-item-input").first();
    return {subject: SchemaAlignmentDialog._inputContainerToJSON(inputContainer),
            statementGroups: lst}; 
};

SchemaAlignmentDialog._addStatementGroup = function(item, json) {
  var property = null;
  var statements = null;
  if (json) {
     property = json.property;
     statements = json.statements;
  }

  var container = item.find('.wbs-statement-group-container').first();
  var statementGroup = $('<div></div>').addClass('wbs-statement-group');
  var inputContainer = $('<div></div>').addClass('wbs-prop-input').appendTo(statementGroup);
  var right = $('<div></div>').addClass('wbs-right').appendTo(statementGroup);
  var statementContainer = $('<div></div>').addClass('wbs-statement-container').appendTo(right);
  SchemaAlignmentDialog._initPropertyField(inputContainer, statementContainer, property);
  var toolbar = $('<div></div>').addClass('wbs-toolbar').appendTo(right);
  var addValueButton = $('<a></a>').addClass('wbs-add-statement').text('add value').click(function() {
     var datatype = inputContainer.data("jsonValue").datatype;
     SchemaAlignmentDialog._addStatement(statementContainer, datatype, null);
  }).appendTo(toolbar).hide();

  container.append(statementGroup);

  if (statements) {
     for (var i = 0; i != statements.length; i++) {
        SchemaAlignmentDialog._addStatement(statementContainer, property.datatype, statements[i]);
        addValueButton.show();
     }
  }
     
}

SchemaAlignmentDialog._statementGroupToJSON = function (statementGroup) {
    var lst = new Array();
    statementGroup.find('.wbs-statement').each(function () {
    lst.push(SchemaAlignmentDialog._statementToJSON($(this)));
    });
    var inputContainer = statementGroup.find(".wbs-prop-input").first();
    return {property: SchemaAlignmentDialog._inputContainerToJSON(inputContainer),
            statements: lst};
};


SchemaAlignmentDialog._addStatement = function(container, datatype, json) {
  console.log('addStatement');
  console.log(datatype);
  var qualifiers = null;
  var value = null;
  if (json) {
    qualifiers = json.qualifiers;
    value = json.value;
  }
 
  var statement = $('<div></div>').addClass('wbs-statement');
  var toolbar1 = $('<div></div>').addClass('wbs-toolbar').appendTo(statement);
  $('<img src="images/close.png" />').attr('alt', 'remove statement').click(function() {
     SchemaAlignmentDialog._removeStatement(statement);
  }).appendTo(toolbar1);
  var inputContainer = $('<div></div>').addClass('wbs-target-input').appendTo(statement);
  SchemaAlignmentDialog._initField(inputContainer, datatype, value);
  var right = $('<div></div>').addClass('wbs-right').appendTo(statement);
  $('<div></div>').addClass('wbs-qualifier-container').appendTo(right);
  var toolbar2 = $('<div></div>').addClass('wbs-toolbar').appendTo(right);
  $('<a></a>').addClass('wbs-add-qualifier').text('add qualifier').appendTo(toolbar2);
  container.append(statement);
}

SchemaAlignmentDialog._statementToJSON = function (statement) {
    var inputContainer = statement.find(".wbs-target-input").first();
    return {
        value:SchemaAlignmentDialog._inputContainerToJSON(inputContainer),
        qualifiers:[],
        references:[],
    };
};

SchemaAlignmentDialog._getPropertyType = function(pid, callback) {
  $.ajax({
      url:'https://www.wikidata.org/w/api.php',
      data: {
        action: "wbgetentities",
        format: "json",
        ids: pid,
        props: "datatype",
     },
     dataType: "jsonp",
     success: function(data) {
        callback(data.entities[pid].datatype);
     }});
}

SchemaAlignmentDialog._initPropertyField = function(inputContainer, targetContainer, initialValue) {
  var input = $('<input></input>').appendTo(inputContainer);

  if (this._reconService !== null) {
    endpoint = this._reconService.suggest.property;
    var suggestConfig = $.extend({}, endpoint);
    suggestConfig.key = null;
    suggestConfig.query_param_name = "prefix";

    input.suggestP(suggestConfig).bind("fb-select", function(evt, data) {
        // Fetch the type of this property and add the appropriate target value type
        var statementGroup = inputContainer.parents(".wbs-statement-group").first();
        SchemaAlignmentDialog._getPropertyType(data.id, function(datatype) {
          inputContainer.data("jsonValue", {
            type : "wbpropconstant",
            pid : data.id,
            label: data.name,
            datatype: datatype,
          });
          SchemaAlignmentDialog._addStatement(targetContainer, datatype, null);
          var addValueButtons = targetContainer.parent().find('.wbs-add-statement');
          addValueButtons.show();
        });
        SchemaAlignmentDialog._hasChanged();
    }).bind("fb-textchange", function(evt, data) {
        inputContainer.data("jsonValue", null);
        targetContainer.find('.wbs-statement').remove();
        var addValueButtons = targetContainer.parent().find('.wbs-add-statement');
        addValueButtons.hide();
    });
  }

  // Init with the provided initial value.
  if (initialValue) {
     if (initialValue.type === "wbpropconstant") {
        input.val(initialValue.label);
     } 
     inputContainer.data("jsonValue", initialValue);
  }

}

SchemaAlignmentDialog._initField = function(inputContainer, mode, initialValue) {
  var input = $('<input></input>').appendTo(inputContainer);

  if (this._reconService !== null && mode === "wikibase-item") {
    var endpoint = null;
    endpoint = this._reconService.suggest.entity;
    var suggestConfig = $.extend({}, endpoint);
    suggestConfig.key = null;
    suggestConfig.query_param_name = "prefix";
    

    input.suggestP(suggestConfig).bind("fb-select", function(evt, data) {
        inputContainer.data("jsonValue", {
            type : "wbitemconstant",
            qid : data.id,
            label: data.name,
        });
        SchemaAlignmentDialog._hasChanged();
    });
  } else if (mode === "external-id") {
    var propagateValue = function(val) {
        inputContainer.data("jsonValue", {
           type: "wbstringconstant",
           value: val,
        });
    };
    propagateValue("");
    input.change(function() {
      propagateValue($(this).val());
      SchemaAlignmentDialog._hasChanged();
    });
  }

  var acceptDraggableColumn = function(column) {
    input.hide();
    var columnDiv = $('<div></div>').appendTo(inputContainer);
    column.appendTo(columnDiv);
    var deleteButton = $('&nbsp;<img src="images/close.png" />').addClass('wbs-delete-column-button').appendTo(column);
    deleteButton.attr('alt', 'remove column');
    deleteButton.click(function () {
        columnDiv.remove();
        input.show();
        SchemaAlignmentDialog._hasChanged();
    });
  };

  // Make it droppable
  var acceptClass = ".wbs-draggable-column";
  var wbVariableType = "wbstringvariable";
  if (mode === "wikibase-item") {
      acceptClass = ".wbs-reconciled-column";
      wbVariableType = "wbitemvariable";
  }

      
  inputContainer.droppable({
      accept: acceptClass,
  }).on("drop", function (evt, ui) {
      var column = ui.draggable.clone();
      acceptDraggableColumn(column);
      inputContainer.data("jsonValue", {
          type : wbVariableType,
          columnName: ui.draggable.text(),
      });
      SchemaAlignmentDialog._hasChanged();
      return true; 
  }).on("dropactivate", function(evt, ui) {
      input.addClass("wbs-accepting-input");
  }).on("dropdeactivate", function(evt, ui) {
      input.removeClass("wbs-accepting-input");
  });

  // Init with the provided initial value.
  if (initialValue) {
     if (initialValue.type === "wbitemconstant") {
        input.val(initialValue.label);
     } else if (initialValue.type == "wbitemvariable") {
        var cell = SchemaAlignmentDialog._createDraggableColumn(initialValue.columnName, true);
        acceptDraggableColumn(cell);
     } else if (initialValue.type == "wbstringconstant") {
        input.val(initialValue.value);
     } else if (initialValue.type == "wbstringvariable") {
        var cell = SchemaAlignmentDialog._createDraggableColumn(initialValue.columnName, false);
        acceptDraggableColumn(cell);
     }
     inputContainer.data("jsonValue", initialValue);
  }
}

SchemaAlignmentDialog._inputContainerToJSON = function (inputContainer) {
    return inputContainer.data().jsonValue;
};

SchemaAlignmentDialog._removeStatement = function(statement) {
  var statementGroup = statement.parents('.wbs-statement-group').first();
  statement.remove();
  var remainingStatements = statementGroup.find('.wbs-statement').length;
  if (remainingStatements === 0) {
      statementGroup.remove();
  }
  SchemaAlignmentDialog._hasChanged();
}
/*
SchemaAlignmentDialog._addStatement = function() {
  var newStatement = $('<div></div>').addClass('schema-alignment-statement');
  var subject = $('<div></div>').addClass('schema-alignment-subject').appendTo(newStatement);
  var prop = $('<div></div>').addClass('schema-alignment-prop').appendTo(newStatement);
  var target = $('<div></div>').addClass('schema-alignment-target').appendTo(newStatement);
  var qualifiersArea = $('<div></div>').addClass('schema-alignment-qualifiers').appendTo(newStatement);
  var addQualifier = $('<p></p>').addClass('schema-alignment-add-qualifier').text('Add qualifier').appendTo(newStatement);
  $('#schema-alignment-statements-container').append(newStatement);
}
*/

SchemaAlignmentDialog.getJSON = function() {
  var list = new Array();
  $('.wbs-item').each(function () {
     list.push(SchemaAlignmentDialog._itemToJSON($(this)));
  });
  return {
        'itemDocuments': list,
        'wikibasePrefix': this._wikibasePrefix,
  };
};

SchemaAlignmentDialog._hasChanged = function() {
  this._hasUnsavedChanges = true;
  SchemaAlignmentDialog.preview(false);
}

SchemaAlignmentDialog.preview = function(initial) {
  var self = this;

  $('.invalid-schema-warning').hide();
  this._previewPanes.empty();
/*
  if (!(initial)) {
    this._elmts.statusIndicator.show().text("There are unsaved changes.");
    this._hasUnsavedChanges = true;
  }
*/

  var schema = this.getJSON();
  $.post(
    "command/wikidata/preview-wikibase-schema?" + $.param({ project: theProject.id }),
    { schema: JSON.stringify(schema), engine: JSON.stringify(ui.browsingEngine.getJSON()) },
    function(data) {
      if ("quickstatements" in data) {
        $(self._previewPanes[0]).text(data.quickstatements);
      }
      if ("code" in data && data.code === "error") {
         $('.invalid-schema-warning').show();
      }
    },
    "json"
  );
};

SchemaAlignmentDialog._findColumn = function(cellIndex) {
  var columns = theProject.columnModel.columns;
    for (var i = 0; i < columns.length; i++) {
    var column = columns[i];
    if (column.cellIndex == cellIndex) {
      return column;
    }
  }
  return null;
};