in airavata-kubernetes/workflow-composer/src/js/view/mxPrintPreview.js [405:662]
mxPrintPreview.prototype.open = function(css, targetWindow, forcePageBreaks, keepOpen)
{
// Closing the window while the page is being rendered may cause an
// exception in IE. This and any other exceptions are simply ignored.
var previousInitializeOverlay = this.graph.cellRenderer.initializeOverlay;
var div = null;
try
{
// Temporarily overrides the method to redirect rendering of overlays
// to the draw pane so that they are visible in the printout
if (this.printOverlays)
{
this.graph.cellRenderer.initializeOverlay = function(state, overlay)
{
overlay.init(state.view.getDrawPane());
};
}
if (this.printControls)
{
this.graph.cellRenderer.initControl = function(state, control, handleEvents, clickHandler)
{
control.dialect = state.view.graph.dialect;
control.init(state.view.getDrawPane());
};
}
this.wnd = (targetWindow != null) ? targetWindow : this.wnd;
var isNewWindow = false;
if (this.wnd == null)
{
isNewWindow = true;
this.wnd = window.open();
}
var doc = this.wnd.document;
if (isNewWindow)
{
var dt = this.getDoctype();
if (dt != null && dt.length > 0)
{
doc.writeln(dt);
}
if (mxClient.IS_VML)
{
doc.writeln('<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">');
}
else
{
if (document.compatMode === 'CSS1Compat')
{
doc.writeln('<!DOCTYPE html>');
}
doc.writeln('<html>');
}
doc.writeln('<head>');
this.writeHead(doc, css);
doc.writeln('</head>');
doc.writeln('<body class="mxPage">');
}
// Computes the horizontal and vertical page count
var bounds = this.graph.getGraphBounds().clone();
var currentScale = this.graph.getView().getScale();
var sc = currentScale / this.scale;
var tr = this.graph.getView().getTranslate();
// Uses the absolute origin with no offset for all printing
if (!this.autoOrigin)
{
this.x0 -= tr.x * this.scale;
this.y0 -= tr.y * this.scale;
bounds.width += bounds.x;
bounds.height += bounds.y;
bounds.x = 0;
bounds.y = 0;
this.border = 0;
}
// Store the available page area
var availableWidth = this.pageFormat.width - (this.border * 2);
var availableHeight = this.pageFormat.height - (this.border * 2);
// Adds margins to page format
this.pageFormat.height += this.marginTop + this.marginBottom;
// Compute the unscaled, untranslated bounds to find
// the number of vertical and horizontal pages
bounds.width /= sc;
bounds.height /= sc;
var hpages = Math.max(1, Math.ceil((bounds.width + this.x0) / availableWidth));
var vpages = Math.max(1, Math.ceil((bounds.height + this.y0) / availableHeight));
this.pageCount = hpages * vpages;
var writePageSelector = mxUtils.bind(this, function()
{
if (this.pageSelector && (vpages > 1 || hpages > 1))
{
var table = this.createPageSelector(vpages, hpages);
doc.body.appendChild(table);
// Implements position: fixed in IE quirks mode
if (mxClient.IS_IE && doc.documentMode == null || doc.documentMode == 5 || doc.documentMode == 8 || doc.documentMode == 7)
{
table.style.position = 'absolute';
var update = function()
{
table.style.top = ((doc.body.scrollTop || doc.documentElement.scrollTop) + 10) + 'px';
};
mxEvent.addListener(this.wnd, 'scroll', function(evt)
{
update();
});
mxEvent.addListener(this.wnd, 'resize', function(evt)
{
update();
});
}
}
});
var addPage = mxUtils.bind(this, function(div, addBreak)
{
// Border of the DIV (aka page) inside the document
if (this.borderColor != null)
{
div.style.borderColor = this.borderColor;
div.style.borderStyle = 'solid';
div.style.borderWidth = '1px';
}
// Needs to be assigned directly because IE doesn't support
// child selectors, eg. body > div { background: white; }
div.style.background = this.backgroundColor;
if (forcePageBreaks || addBreak)
{
div.style.pageBreakAfter = 'always';
}
// NOTE: We are dealing with cross-window DOM here, which
// is a problem in IE, so we copy the HTML markup instead.
// The underlying problem is that the graph display markup
// creation (in mxShape, mxGraphView) is hardwired to using
// document.createElement and hence we must use this document
// to create the complete page and then copy it over to the
// new window.document. This can be fixed later by using the
// ownerDocument of the container in mxShape and mxGraphView.
if (isNewWindow && (mxClient.IS_IE || document.documentMode >= 11 || mxClient.IS_EDGE))
{
// For some obscure reason, removing the DIV from the
// parent before fetching its outerHTML has missing
// fillcolor properties and fill children, so the div
// must be removed afterwards to keep the fillcolors.
doc.writeln(div.outerHTML);
div.parentNode.removeChild(div);
}
else
{
div.parentNode.removeChild(div);
doc.body.appendChild(div);
}
if (forcePageBreaks || addBreak)
{
this.addPageBreak(doc);
}
});
var cov = this.getCoverPages(this.pageFormat.width, this.pageFormat.height);
if (cov != null)
{
for (var i = 0; i < cov.length; i++)
{
addPage(cov[i], true);
}
}
var apx = this.getAppendices(this.pageFormat.width, this.pageFormat.height);
// Appends each page to the page output for printing, making
// sure there will be a page break after each page (ie. div)
for (var i = 0; i < vpages; i++)
{
var dy = i * availableHeight / this.scale - this.y0 / this.scale +
(bounds.y - tr.y * currentScale) / currentScale;
for (var j = 0; j < hpages; j++)
{
if (this.wnd == null)
{
return null;
}
var dx = j * availableWidth / this.scale - this.x0 / this.scale +
(bounds.x - tr.x * currentScale) / currentScale;
var pageNum = i * hpages + j + 1;
var clip = new mxRectangle(dx, dy, availableWidth, availableHeight);
div = this.renderPage(this.pageFormat.width, this.pageFormat.height, 0, 0, mxUtils.bind(this, function(div)
{
this.addGraphFragment(-dx, -dy, this.scale, pageNum, div, clip);
if (this.printBackgroundImage)
{
this.insertBackgroundImage(div, -dx, -dy);
}
}), pageNum);
// Gives the page a unique ID for later accessing the page
div.setAttribute('id', 'mxPage-'+pageNum);
addPage(div, apx != null || i < vpages - 1 || j < hpages - 1);
}
}
if (apx != null)
{
for (var i = 0; i < apx.length; i++)
{
addPage(apx[i], i < apx.length - 1);
}
}
if (isNewWindow && !keepOpen)
{
this.closeDocument();
writePageSelector();
}
this.wnd.focus();
}
catch (e)
{
// Removes the DIV from the document in case of an error
if (div != null && div.parentNode != null)
{
div.parentNode.removeChild(div);
}
}
finally
{
this.graph.cellRenderer.initializeOverlay = previousInitializeOverlay;
}
return this.wnd;
};