More sciter util functions

src/renderers/mod.rs

@@ -1,7 +1,4 @@
-use config::Config;
-
-use sciter::{Window, Host, Element};
-use std::rc::Rc;
+use sciter::{Window, Element};
 use std::ops::Deref;
 
 pub mod html_cleanup;
@@ -19,28 +16,38 @@ fn sciter_start(source: String) -> Element {
 }
 
 fn get_html(element: Element) -> String {
+    element.update(true);
     return String::from_utf8(element.get_html(true)).expect(&format!(
         "Failed to get HTML from {}.",
         element.get_tag()
     ));
 }
 
+fn find_all(root: &mut Element, selector: &str) -> Vec<Element> {
+    let elements = root.find_all(selector).expect(&format!("Failed to get {}.", selector));
+    if elements.is_none() {
+        return Vec::new();
+    }
+    return elements.unwrap();
+}
+
 fn find_first(root: &mut Element, selector: &str) -> Element {
-    return root.find_first(selector).expect(&format!("Failed to get {}.", selector)).expect(
-        &format!(
-            "Couldn't find any {}.",
-            selector
-        )
-    );
+    let mut all_matches = find_all(root, selector);
+    all_matches.reverse();
+    return all_matches.pop().expect(&format!("Failed to find {}.", selector));
+}
+
+fn destroy_at(root: &mut Element, index: usize) {
+    let mut ele = root.get(index).expect(&format!("Failed to get element at {}.", index));
+    ele.destroy().expect("Failed to delete.");
 }
 
 fn destroy_matching(root: &mut Element, selector: &str) {
-    let mut matches = root.find_all(selector).expect(&format!("Failed to get {}.", selector));
-    if matches.is_none() {
+    let matches = find_all(root, selector);
+    if matches.is_empty() {
         return;
     }
-
-    for mut ele in matches.unwrap() {
+    for mut ele in matches {
         ele.destroy().expect("Failed to delete");
     }
 }