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Bug 367418, improve page up and page down behaviour in trees, r=neil

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This commit is contained in:
enndeakin%sympatico.ca 2007-01-26 16:02:43 +00:00
parent c62f014b5e
commit 834ee85de6
2 changed files with 86 additions and 90 deletions
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88
toolkit/content/widgets/tree.xml
View File

@ -659,17 +659,17 @@
return;
}
var c = this.currentIndex;
if (c == 0)
if (c == -1)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var i = 0;
if (f > 0) {
var p = this.treeBoxObject.getPageLength();
if (f - p >= 0)
i = c - p;
else
i = c - f;
this.treeBoxObject.scrollByPages(-1);
if (c == 0 && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(0);
return;
}
var i = this.treeBoxObject.getFirstVisibleRow();
if (c <= i) {
var p = this.treeBoxObject.getPageLength();
i = c <= p ? 0 : c - p;
this.treeBoxObject.ensureRowIsVisible(i);
}
this.view.selection.timedSelect(i, this._selectDelay);
]]>
@ -685,21 +685,20 @@
return;
}
var c = this.currentIndex;
var l = this.view.rowCount - 1;
if (c == l)
var l = this.view.rowCount - 1;
if (l == -1)
return;
if (c == l && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(l);
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var p = this.treeBoxObject.getPageLength();
var i = l;
var lastTopRowIndex = l - p;
if (f <= lastTopRowIndex) {
if (f + p <= lastTopRowIndex)
i = c + p;
else
i = lastTopRowIndex + c - f + 1;
this.treeBoxObject.scrollByPages(1);
}
this.view.selection.timedSelect(i, this._selectDelay);
var p = this.treeBoxObject.getPageLength();
var i = this.treeBoxObject.getFirstVisibleRow() + p - 1;
if (c >= i) {
i = c + p;
this.treeBoxObject.ensureRowIsVisible(i > l ? l : i);
}
this.view.selection.timedSelect(i > l ? l : i, this._selectDelay);
]]>
</handler>
<handler event="keypress" keycode="vk_page_up"
@ -708,17 +707,17 @@
if (this._editingColumn || this.view.selection.single)
return;
var c = this.currentIndex;
if (c == 0)
if (c == -1)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var i = 0;
if (f > 0) {
var p = this.treeBoxObject.getPageLength();
if (f - p >= 0)
i = c - p;
else
i = c - f;
this.treeBoxObject.scrollByPages(-1);
if (c == 0 && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(0);
return;
}
var i = this.treeBoxObject.getFirstVisibleRow();
if (c <= i) {
var p = this.treeBoxObject.getPageLength();
i = c <= p ? 0 : c - p;
this.treeBoxObject.ensureRowIsVisible(i);
}
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, i, this._isAccelPressed(event));
@ -730,22 +729,21 @@
if (this._editingColumn || this.view.selection.single)
return;
var c = this.currentIndex;
var l = this.view.rowCount - 1;
if (c == l)
var l = this.view.rowCount - 1;
if (l == -1)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
if (c == l && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(l);
return;
}
var p = this.treeBoxObject.getPageLength();
var i = l;
var lastTopRowIndex = l - p;
if (f <= lastTopRowIndex) {
if (f + p <= lastTopRowIndex)
i = c + p;
else
i = lastTopRowIndex + c - f + 1;
this.treeBoxObject.scrollByPages(1);
var i = this.treeBoxObject.getFirstVisibleRow() + p - 1;
if (c >= i) {
i = c + p;
this.treeBoxObject.ensureRowIsVisible(i > l ? l : i);
}
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, i, this._isAccelPressed(event));
this.view.selection.rangedSelect(-1, i > l ? l : i, this._isAccelPressed(event));
]]>
</handler>
<handler event="keypress" keycode="vk_home"

88
xpfe/global/resources/content/bindings/tree.xml
View File

@ -623,17 +623,17 @@
return;
}
var c = this.currentIndex;
if (c == 0)
if (c == -1)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var i = 0;
if (f > 0) {
var p = this.treeBoxObject.getPageLength();
if (f - p >= 0)
i = c - p;
else
i = c - f;
this.treeBoxObject.scrollByPages(-1);
if (c == 0 && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(0);
return;
}
var i = this.treeBoxObject.getFirstVisibleRow();
if (c <= i) {
var p = this.treeBoxObject.getPageLength();
i = c <= p ? 0 : c - p;
this.treeBoxObject.ensureRowIsVisible(i);
}
this.view.selection.timedSelect(i, this._selectDelay);
]]>
@ -649,21 +649,20 @@
return;
}
var c = this.currentIndex;
var l = this.view.rowCount - 1;
if (c == l)
var l = this.view.rowCount - 1;
if (l == -1)
return;
if (c == l && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(l);
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var p = this.treeBoxObject.getPageLength();
var i = l;
var lastTopRowIndex = l - p;
if (f <= lastTopRowIndex) {
if (f + p <= lastTopRowIndex)
i = c + p;
else
i = lastTopRowIndex + c - f + 1;
this.treeBoxObject.scrollByPages(1);
}
this.view.selection.timedSelect(i, this._selectDelay);
var p = this.treeBoxObject.getPageLength();
var i = this.treeBoxObject.getFirstVisibleRow() + p - 1;
if (c >= i) {
i = c + p;
this.treeBoxObject.ensureRowIsVisible(i > l ? l : i);
}
this.view.selection.timedSelect(i > l ? l : i, this._selectDelay);
]]>
</handler>
<handler event="keypress" keycode="vk_page_up"
@ -672,17 +671,17 @@
if (this._editingColumn || this.view.selection.single)
return;
var c = this.currentIndex;
if (c == 0)
if (c == -1)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
var i = 0;
if (f > 0) {
var p = this.treeBoxObject.getPageLength();
if (f - p >= 0)
i = c - p;
else
i = c - f;
this.treeBoxObject.scrollByPages(-1);
if (c == 0 && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(0);
return;
}
var i = this.treeBoxObject.getFirstVisibleRow();
if (c <= i) {
var p = this.treeBoxObject.getPageLength();
i = c <= p ? 0 : c - p;
this.treeBoxObject.ensureRowIsVisible(i);
}
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, i, event.ctrlKey);
@ -694,22 +693,21 @@
if (this._editingColumn || this.view.selection.single)
return;
var c = this.currentIndex;
var l = this.view.rowCount - 1;
if (c == l)
var l = this.view.rowCount - 1;
if (l == -1)
return;
var f = this.treeBoxObject.getFirstVisibleRow();
if (c == l && this.view.selection.isSelected(c)) {
this.treeBoxObject.ensureRowIsVisible(l);
return;
}
var p = this.treeBoxObject.getPageLength();
var i = l;
var lastTopRowIndex = l - p;
if (f <= lastTopRowIndex) {
if (f + p <= lastTopRowIndex)
i = c + p;
else
i = lastTopRowIndex + c - f + 1;
this.treeBoxObject.scrollByPages(1);
var i = this.treeBoxObject.getFirstVisibleRow() + p - 1;
if (c >= i) {
i = c + p;
this.treeBoxObject.ensureRowIsVisible(i > l ? l : i);
}
// Extend the selection from the existing pivot, if any
this.view.selection.rangedSelect(-1, i, event.ctrlKey);
this.view.selection.rangedSelect(-1, i > l ? l : i, event.ctrlKey);
]]>
</handler>
<handler event="keypress" keycode="vk_home"