/** Calculates the number of events that can be displayed in a cell. */
public void calibrateCalendar() {
final FlexTable grid = (FlexTable) getWidget();
final Element row = grid.getRowFormatter().getElement(displayHeaders);
row.setId("calendar-row-calibration");
final Element cell =
grid.getCellFormatter().getElement(displayHeaders, displayWeekNumber ? 1 : 0);
cell.setId("calendar-cell-calibration");
eventLimit = (getCellHeight(CELL_DEFAULT_HEIGHT) / EVENT_HEIGHT) - 2;
if (eventLimit < 0) eventLimit = 0;
}
public static HTML makeProcessInfoDiv() {
Element processDiv = DOM.createDiv();
processDiv.setId("process_info");
processDiv.appendChild(DOM.createElement("svg"));
HTML processHtml = new HTML(processDiv.getString());
processHtml.getElement().setId(_DRUPAL_GWTVIZ_PROCESS_ID);
return processHtml;
}
/**
* remove gwt positioning and overflow from extra divs, and hope for the best about xbrowser
* compatibility..
*/
private Element __fixPositioningAndOverflow(final Element element) {
if ("body".equalsIgnoreCase(element.getTagName())) {
return element;
} else {
element.setAttribute("style", "");
element.removeAttribute("style"); // does not work on chrome
element.setId("extradiv_" + index++);
return __fixPositioningAndOverflow(element.getParentElement());
}
}
public static HTML makeChartDiv() {
Element chartDiv = DOM.createDiv();
chartDiv.setId("chart");
chartDiv.appendChild(DOM.createElement("svg"));
HTML chartHtml = new HTML(chartDiv.getString());
chartHtml.getElement().setId(_DRUPAL_GWTVIZ_CHART_ID);
return chartHtml;
}
/** Utility method to show a loading element if there is no one in hosting page. */
public static void startLoading() {
Element l = DOM.getElementById("loading");
if (l == null) {
l = DOM.createDiv();
l.setAttribute(
"style",
"position:fixed;top:0px;left:0px;width:100%;text-align:center;font-family:arial;font-size:24px;color:#4285f4;");
l.setId("loading");
l.setInnerText("loading" + "...");
Document.get().getBody().appendChild(l);
}
}
@Override
public void visitTag(Tag tag) {
Element e = Document.get().createElement(tag.getTagName());
map.put(tag, e);
for (Object o : tag.getAttributesEx()) {
Attribute a = (Attribute) o;
if ("id".equalsIgnoreCase(a.getName())) {
e.setId(a.getValue());
} else if ("style".equalsIgnoreCase(a.getName())) {
processStyle(e, a.getValue());
} else if ("class".equalsIgnoreCase(a.getName())) {
e.setClassName(a.getValue());
} else if (!a.isEmpty() && !a.isWhitespace() && a.isValued()) {
e.setAttribute(a.getName(), a.getValue());
}
}
Element parent = getParent(tag.getParent());
parent.appendChild(e);
}
/** Creates a div with the integer id as its id. */
public static Element createDiv(int id) {
Element e = Document.get().createDivElement();
e.setId(Integer.toString(id));
return e;
}