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Creating a Custom Button on the Viewer Toolbar
Unsere Beispiele der Projekte und Berichtsvorlagen helfen Ihnen, die Grundlagen der Arbeit mit unserer Software zu erlernen.The viewer toolbar can be extended with your own button: the JSP renders the report and places the viewer tag, and a small client-side script adds the button once the viewer is ready.
Render the report and place the viewer. In
How it works. The report is rendered on the server and served through the standard
Render the report and place the viewer. In
index.jsp, wrapped in a container with a known id:String reportPath = request.getSession().getServletContext().getRealPath("/reports/TwoSimpleLists.mrt");
StiReport report = StiSerializeManager.deserializeReport(new File(reportPath));
report.render();
StiWebViewerOptions options = new StiWebViewerOptions();
pageContext.setAttribute("report", report);
pageContext.setAttribute("options", options);
// <div id="viewerDiv"><stiwebviewer:webviewer report="${report}" options="${options}" /></div>onready handler:function loaded() {
var viewer = window["js" + document.getElementById("viewerDiv").childNodes[1]["id"]];
viewer.onready = function () {
var customButton = viewer.SmallButton("customButton", "Custom Button", "emptyImage");
customButton.image.src = "icon.png";
customButton.action = function () {
alert("Custom Button Event");
};
var toolbarTable = viewer.controls.toolbar.firstChild.firstChild;
var buttonsTable = toolbarTable.rows[0].firstChild.firstChild;
var customButtonCell = buttonsTable.rows[0].insertCell(0);
customButtonCell.appendChild(customButton);
};
}
// <body onload="loaded()">window["js" + viewerId]— the client-side viewer object created by the<stiwebviewer:webviewer>tag.onready— fires when the viewer and its toolbar are built, so the controls are available.SmallButton(name, caption, image)— creates a toolbar-style button;image.srcsets its icon andactionits click handler.controls.toolbar— the toolbar element;insertCell(0)puts the new button first in the row of buttons.
How it works. The report is rendered on the server and served through the standard
StiWebResourceServlet and StiWebViewerActionServlet registered in web.xml. The custom button lives entirely on the client: it is built with the viewer's own button factory, so it matches the toolbar style, and its action can run any JavaScript — call your own endpoint, open a dialog, or trigger application logic.