solid-panes/lib/imagePane.js

Solid-compatible Panes: applets and views for the mashlib and databrowser

"use strict";

/*   Image Pane
 **
 **  This outline pane contains the document contents for an Image document
 */
var UI = require('solid-ui');

module.exports = {
  icon: UI.icons.originalIconBase + 'tango/22-image-x-generic.png',
  name: 'image',
  label: function label(subject, context) {
    var kb = context.session.store;

    if (!kb.anyStatementMatching(subject, UI.ns.rdf('type'), kb.sym('http://purl.org/dc/terms/Image'))) {
      // NB: Not dc: namespace!
      return null;
    } //   See also the source pane, which has lower precedence.


    var contentTypeMatch = function contentTypeMatch(kb, x, contentTypes) {
      var cts = kb.fetcher.getHeader(x, 'content-type');

      if (cts) {
        for (var j = 0; j < cts.length; j++) {
          for (var k = 0; k < contentTypes.length; k++) {
            if (cts[j].indexOf(contentTypes[k]) >= 0) {
              return true;
            }
          }
        }
      }

      return false;
    };

    var suppressed = ['application/pdf'];

    if (contentTypeMatch(kb, subject, suppressed)) {
      return null;
    }

    return 'view';
  },
  render: function render(subject, context) {
    var myDocument = context.dom;
    var div = myDocument.createElement('div');
    div.setAttribute('class', 'imageView');
    var img = myDocument.createElement('IMG');
    img.setAttribute('src', subject.uri); // w640 h480

    img.setAttribute('style', 'max-width: 100%; max-height: 100%;'); //        div.style['max-width'] = '640'
    //        div.style['max-height'] = '480'

    var tr = myDocument.createElement('TR'); // why need tr?

    tr.appendChild(img);
    div.appendChild(tr);
    return div;
  }
}; // ends
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