henningn commented on a change in pull request #28: TOBAGO-2021: Sheet should
be able to lazy load rows by scroll events
URL: https://github.com/apache/myfaces-tobago/pull/28#discussion_r387644714
##########
File path:
tobago-theme/tobago-theme-standard/src/main/resources/META-INF/resources/tobago/standard/tobago-bootstrap/_version/js/tobago-sheet.js
##########
@@ -90,24 +93,89 @@ Tobago.Sheet.prototype.reloadWithAction = function(source,
action) {
console.debug("reload sheet with action '" + action + "'"); // @DEV_ONLY
var executeIds = this.id;
var renderIds = this.id;
-// if (this.behaviorCommands && this.behaviorCommands.reload) {
-// if (this.behaviorCommands.reload.execute) {
-// executeIds += " " + behaviorCommands.reload.execute;
-// }
-// if (this.behaviorCommands.reload.render) {
-// renderIds += " " + this.behaviorCommands.reload.render;
-// }
-// }
+ var lazy = jQuery(Tobago.Utils.escapeClientId(this.id)).data("tobago-lazy");
+
jsf.ajax.request(
action,
null,
{
"javax.faces.behavior.event": "reload",
execute: executeIds,
- render: renderIds
+ render: renderIds,
+ onevent: lazy ? Tobago.Sheet.lazyResponse : undefined,
+ onerror: lazy ? Tobago.Sheet.lazyError: undefined
});
};
+Tobago.Sheet.lazyResponse = function(event) {
+ if (event.status === "complete") {
+ var updates = event.responseXML.querySelectorAll("update");
+ for (var i = 0; i < updates.length; i++) {
+ var update = updates[i];
+ var id = update.getAttribute("id");
+ if (id.indexOf(":") > -1) { // is a JSF element id, but not a technical
id from the framework
+ console.debug("[tobago-sheet][complete] Update after jsf.ajax
complete: #" + id); // @DEV_ONLY
+
+ var sheet = document.getElementById(id);
+ sheet.id = id + "::lazy-temporary";
+
+ var page = Tobago.findPage();
+ page.get(0).insertAdjacentHTML("beforeend", "<div id='" + id +
"'></div>");
+ var sheetLoader = document.getElementById(id);
+ }
+ }
+ } else if (event.status === "success") {
Review comment:
formatting code
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