2024-08-14 15:17:51 +08:00

425 lines
10 KiB
JavaScript

/**(function() {
'use strict';**/
var $ = require('jquery'),
_ = require('lodash'),
BpmnViewer = require('bpmn-js'),
Diffing = require('bpmn-js-diffing');
var bpmnModeler=null;
function createViewer(side) {
return new BpmnViewer({
container: '#canvas-' + side,
height: '100%',
width: '100%'
});
}
function syncViewers(a, b) {
var changing;
function update(viewer) {
return function(e) {
if (changing) {
return;
}
changing = true;
viewer.get('canvas').viewbox(e.viewbox);
changing = false;
};
}
function syncViewbox(a, b) {
a.on('canvas.viewbox.changed', update(b));
}
syncViewbox(a, b);
syncViewbox(b, a);
}
function createViewers(left, right) {
var sides = {};
sides[left] = createViewer(left);
sides[right] = createViewer(right);
// sync navigation
syncViewers(sides[left], sides[right]);
return sides;
}
var viewers = createViewers('left', 'right');
function getViewer(side) {
return viewers[side];
}
function isLoaded(v) {
return v.loading !== undefined && !v.loading;
}
function allDiagramsLoaded() {
return _.every(viewers, isLoaded);
}
function setLoading(viewer, loading) {
viewer.loading = loading;
}
function clearDiffs(viewer) {
viewer.get('overlays').remove({ type: 'diff' });
// TODO(nre): expose as external API
_.forEach(viewer.get('elementRegistry')._elementMap, function(container) {
var gfx = container.gfx;
gfx
.removeClass('diff-added')
.removeClass('diff-changed')
.removeClass('diff-removed')
.removeClass('diff-layout-changed');
});
}
function diagramLoading(side, viewer) {
setLoading(viewer, true);
var loaded = _.filter(viewers, isLoaded);
// clear diffs on loaded
_.forEach(loaded, function(v) {
clearDiffs(v);
});
}
function diagramLoaded(err, side, viewer) {
if (err) {
console.error('load error', err);
}
setLoading(viewer, err);
if (allDiagramsLoaded()) {
// sync viewboxes
var other = getViewer(side == 'left' ? 'right' : 'left');
viewer.get('canvas').viewbox(other.get('canvas').viewbox());
showDiff(getViewer('left'), getViewer('right'));
}
}
// we use $.ajax to load the diagram.
// make sure you run the application via web-server (ie. connect (node) or asdf (ruby))
function loadDiagram(side, diagram) {
var viewer = getViewer(side);
function done(err) {
diagramLoaded(err, side, viewer);
}
diagramLoading(side, viewer);
if (diagram.xml) {
viewer.importXML(diagram.xml, done);
bpmnModeler=viewer;
return;
}
$.get(diagram.url, function(xml) {
viewer.importXML(xml, done);
});
}
function showDiff(viewerOld, viewerNew) {
var result = Diffing.diff (viewerOld.definitions, viewerNew.definitions);
$.each(result._removed, function(i, obj) {
highlight(viewerOld, i, 'diff-removed');
addMarker(viewerOld, i, 'marker-removed', '−');
});
$.each(result._added, function(i, obj) {
highlight(viewerNew, i, 'diff-added');
addMarker(viewerNew, i, 'marker-added', '+');
});
$.each(result._layoutChanged, function(i, obj) {
highlight(viewerOld, i, 'diff-layout-changed');
addMarker(viewerOld, i, 'marker-layout-changed', '⇨');
highlight(viewerNew, i, 'diff-layout-changed');
addMarker(viewerNew, i, 'marker-layout-changed', '⇨');
});
$.each(result._changed, function(i, obj) {
highlight(viewerOld, i, 'diff-changed');
addMarker(viewerOld, i, 'marker-changed', '✎');
highlight(viewerNew, i, 'diff-changed');
addMarker(viewerNew, i, 'marker-changed', '✎');
var details = '<table ><tr><th>Attribute</th><th>old</th><th>new</th></tr>';
$.each(obj.attrs, function(attr, changes) {
details = details + '<tr>' +
'<td>' + attr + '</td><td>' + changes.oldValue + '</td>' +
'<td>' + changes.newValue + '</td>' +
'</tr>';
});
details = details + '</table></div>';
viewerOld.get('elementRegistry').getGraphicsByElement(i).click (function (event) {
$('#changeDetailsOld_' + i).toggle();
});
var detailsOld = '<div id="changeDetailsOld_' + i + '" class="changeDetails">' + details;
// attach an overlay to a node
/** viewerOld.get('overlays').add(i, 'diff', {
position: {
bottom: -5,
left: 0
},
html: detailsOld
});**/
$('#changeDetailsOld_' + i).toggle();
viewerNew.get('elementRegistry').getGraphicsByElement(i).click (function (event) {
$('#changeDetailsNew_' + i).toggle();
});
var detailsNew = '<div id="changeDetailsNew_' + i + '" class="changeDetails">' + details;
// attach an overlay to a node
/** viewerNew.get('overlays').add(i, 'diff', {
position: {
bottom: -5,
left: 0
},
html: detailsNew
});**/
$('#changeDetailsNew_' + i).toggle();
});
// create Table Overview of Changes
showChangesOverview (result, viewerOld, viewerNew);
}
//loadDiagram('left', { url: '../resources/pizza-collaboration/old.bpmn' });
//loadDiagram('right', { url: '../resources/pizza-collaboration/new.bpmn' });
function openDiagram(xml, side) {
loadDiagram(side, { xml: xml });
}
function openFile(file, target, done) {
var reader = new FileReader();
reader.onload = function(e) {
var xml = e.target.result;
done(xml, target);
};
reader.readAsText(file);
}
$('.drop-zone').each(function() {
var node = this,
element = $(node);
element.append('<div class="drop-marker" />');
function removeMarker() {
$('.drop-zone').removeClass('dropping');
}
function handleFileSelect(e) {
e.stopPropagation();
e.preventDefault();
var files = e.dataTransfer.files;
openFile(files[0], element.attr('target'), openDiagram);
removeMarker();
}
function handleDragOver(e) {
removeMarker();
e.stopPropagation();
e.preventDefault();
element.addClass('dropping');
e.dataTransfer.dropEffect = 'copy';
}
function handleDragLeave(e) {
removeMarker();
}
node.addEventListener('dragover', handleDragOver, false);
node.ownerDocument.body.addEventListener('dragover', handleDragLeave, false);
node.addEventListener('drop', handleFileSelect, false);
});
$('.file').on('change', function(e) {
openFile(e.target.files[0], $(this).attr('target'), openDiagram);
});
function addMarker(viewer, elementId, className, symbol) {
var overlays = viewer.get('overlays');
try {
// attach an overlay to a node
overlays.add(elementId, 'diff', {
position: {
top: -12,
right: 12
},
html: '<span class="marker ' + className + '">' + symbol + '</span>'
});
} catch (e) {
// fuck you, haha
}
}
function highlight(viewer, elementId, marker) {
viewer.get('canvas').addMarker(elementId, marker);
}
function unhighlight(viewer, elementId, marker) {
viewer.get('canvas').removeMarker(elementId, marker);
}
$('#changes-overview .show-hide-toggle').click(function () {
$('#changes-overview').toggleClass('collapsed');
});
function showChangesOverview (result, viewerOld, viewerNew) {
$('#changes-overview table').remove();
var changesTable = $(
'<table>' +
'<thead><tr><th></th><th>环节名称</th><th>环节类型</th><th>比对结果</th></tr></thead>' +
'</table>');
var count = 0;
function addRow(element, type, label) {
var html =
'<tr class="entry">' +
'<td>' + (count++) + '</td><td>' + (element.name || '') + '</td>' +
'<td>' + element.$type.replace('bpmn:', '') + '</td>' +
'<td><span class="status">' + label + '</span></td>' +
'</tr>';
var row = $(html).data({
changed: type,
element: element.id
}).addClass(type).appendTo(changesTable);
}
$.each(result._removed, function(i, obj) {
addRow(obj, 'removed', '刪除');
});
$.each(result._added, function(i, obj) {
addRow(obj, 'added', '新增');
});
$.each(result._changed, function(i, obj) {
addRow(obj.model, 'changed', '修改');
});
$.each(result._layoutChanged, function(i, obj) {
addRow(obj, 'layout-changed', '布局调整');
});
changesTable.appendTo('#changes-overview .changes');
var HIGHLIGHT_CLS = 'highlight';
$('#changes-overview tr.entry').each(function() {
var row = $(this);
var id = row.data('element');
var changed = row.data('changed');
row.hover(function() {
if (changed == 'removed') {
highlight(viewerOld, id, HIGHLIGHT_CLS);
} else if (changed == 'added') {
highlight(viewerNew, id, HIGHLIGHT_CLS);
} else {
highlight(viewerOld, id, HIGHLIGHT_CLS);
highlight(viewerNew, id, HIGHLIGHT_CLS);
}
}, function() {
if (changed == 'removed') {
unhighlight(viewerOld, id, HIGHLIGHT_CLS);
} else if (changed == 'added') {
unhighlight(viewerNew, id, HIGHLIGHT_CLS);
} else {
unhighlight(viewerOld, id, HIGHLIGHT_CLS);
unhighlight(viewerNew, id, HIGHLIGHT_CLS);
}
});
row.click(function() {
var containerWidth = $('.di-container').width();
var containerHeight = $('.di-container').height();
var viewer = (changed == 'removed' ? viewerOld : viewerNew);
var element = viewer.get('elementRegistry').getById(id);
var x, y;
if (element.waypoints) {
x = element.waypoints[0].x;
y = element.waypoints[0].y;
} else {
x = element.x + element.width / 2;
y = element.y + element.height / 2;
}
console.log(222);
viewer.get('canvas').viewbox({
x: x - (containerWidth / 2),
y: y - ((containerHeight / 2) - 100),
width: containerWidth,
height: containerHeight
});
});
});
}
/**})();**/