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update history navigation rules
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6585597103
commit
30142cf5e0
1 changed files with 19 additions and 11 deletions
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@ -21,19 +21,27 @@ impl Memory {
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// Actions
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/// Create new record in the navigation memory
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pub fn add(&self, value: GString, follow_to_index: bool) {
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let mut index = self.index.borrow_mut();
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match index.last() {
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Some(last) => {
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if *last != value {
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index.push(value);
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}
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}
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None => index.push(value),
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}
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if follow_to_index {
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// request index recording
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let mut index = self.index.borrow_mut();
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// drop forward history if the user continue navigation
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// from the previous history position
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if let Some(next) = self.cursor.borrow().next(index.len()) {
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index.truncate(next);
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}
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// prevent duplicates at the last history position
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// e.g. on page reload with `follow_to_index` enabled
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match index.last() {
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Some(last) => {
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if *last != value {
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index.push(value);
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}
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}
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None => index.push(value),
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}
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// set cursor on to the last record
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self.cursor.borrow_mut().go_last(index.len());
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}
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}
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