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Embeddable: Fix if_exists (restore)

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gnosygnu
2016-11-24 08:58:55 -05:00
parent fcbdf8bbd8
commit 81dc7ea4ea
1351 changed files with 88510 additions and 0 deletions
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137
150_gfui/src/gplx/gfui/controls/windows/GfuiWinFocusMgr.java Normal file
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/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.gfui.controls.windows; import gplx.*; import gplx.gfui.*; import gplx.gfui.controls.*;
import java.awt.Component;
import java.awt.Container;
import java.awt.FocusTraversalPolicy;
import gplx.gfui.controls.gxws.*; import gplx.gfui.controls.elems.*;
public class GfuiWinFocusMgr {
public List_adp SubElems() {return subElems;} List_adp subElems = List_adp_.New();
public void InitForm() {this.Init(win);}
public void Init(GfuiWin win) {
subElems.Clear();
InitRecursive(win, 0);
}
int InitRecursive(GfuiElem owner, int focusIdx) {
for (int i = 0; i < owner.SubElems().Count(); i++) {
GfuiElem sub = (GfuiElem)owner.SubElems().Get_at(i);
if (sub.Focus_able()) {
sub.Focus_idx_(focusIdx++);
subElems.Add(sub);
}
focusIdx = InitRecursive(sub, focusIdx);
}
return focusIdx;
}
public GfuiElem Focus(boolean fwd, int cur) {
int nxt = fwd
? cur == subElems.Idx_last() ? 0 : ++cur
: cur == 0 ? subElems.Idx_last() : --cur;
GfuiElem elm = (GfuiElem)subElems.Get_at(nxt);
elm.Focus();
return elm;
}
GfuiWin win;
public static GfuiWinFocusMgr new_(GfuiWin win) {
GfuiWinFocusMgr rv = new GfuiWinFocusMgr();
rv.win = win;
return rv;
} GfuiWinFocusMgr() {}
}
class FocusTraversalPolicy_cls_base extends FocusTraversalPolicy {
List_adp elems; GfuiWinFocusMgr formFocusMgr;
public FocusTraversalPolicy_cls_base(GfuiWinFocusMgr formFocusMgr) {
this.elems = formFocusMgr.subElems;
this.formFocusMgr = formFocusMgr;
}
boolean elems_empty() {return elems.Count() == 0;}
public Component getComponentAfter(Container focusCycleRoot, Component c) {
formFocusMgr.InitForm();
if (elems_empty()) return c;
GxwElem gxw = GxwElemOf(c);
int orig = gxw.Core().Focus_index();
int idx = orig;
while (true) {
idx++;
if (idx == elems.Count())
idx = 0;
GfuiElem elem = null;
try {elem = (GfuiElem)elems.Get_at(idx);}
catch (Exception e) {
System.out.println(idx);
Err_.Noop(e);
}
if (elem == null) return c; // FIXME: why is elem null?; REP: add new tab through history and then close out
if (elem.Focus_able() && elem.Visible()) {
if (elem.UnderElem() instanceof GxwTextMemo_lang) {
GxwTextMemo_lang xx = (GxwTextMemo_lang)elem.UnderElem();
return xx.Inner();
}
else
return (Component)elem.UnderElem();
}
if (idx == orig)
return c;
}
}
public Component getComponentBefore(Container focusCycleRoot, Component c) {
formFocusMgr.InitForm();
if (elems_empty()) return c;
GxwElem gxw = GxwElemOf(c);
int orig = gxw.Core().Focus_index();
int idx = orig;
while (true) {
idx--;
if (idx == -1)
idx = elems.Count() - List_adp_.Base1;
GfuiElem elem = null;
try {
elem = (GfuiElem)elems.Get_at(idx);
// System.out.println(elem.Key_of_GfuiElem() + " " + elem.Focus_able() + " " + elem.Visible());
if (elem.getClass().getName().equals("gplx.gfds.gbu.GbuGrid") && elem.Key_of_GfuiElem().equals("grid0")) {
System.out.println(elem.Key_of_GfuiElem() + " " + elem.Focus_able() + " " + elem.Visible());
System.out.println(elem);
}
}
catch (Exception e) {
System.out.println(idx);
Err_.Noop(e);
}
if (elem == null) return c; // FIXME: why is elem null?; REP: add new tab through history and then close out
if (elem.Focus_able() && elem.Visible()) {
if (elem.UnderElem() instanceof GxwTextMemo_lang) {
GxwTextMemo_lang xx = (GxwTextMemo_lang)elem.UnderElem();
return xx.Inner();
}
else
return (Component)elem.UnderElem();
}
if (idx == orig)
return c;
}
}
public Component getDefaultComponent(Container focusCycleRoot) {return getFirstComponent(focusCycleRoot);}
public Component getFirstComponent(Container focusCycleRoot) {return elems_empty() ? focusCycleRoot : (Component)FetchAt(0).UnderElem();}
public Component getLastComponent(Container focusCycleRoot) {return elems_empty() ? focusCycleRoot : (Component)FetchAt(elems.Count() - 1).UnderElem();}
GfuiElem FetchAt(int idx) {return (GfuiElem)elems.Get_at(idx);}
GxwElem GxwElemOf(Component c) {
if (GxwElem.class.isAssignableFrom(c.getClass())) return (GxwElem)c;
return (GxwElem)c.getParent(); // HACK: occurs for JComboBox when editable is true; focus is on MetalComboBox, with parent of JComboBox
}
}
//#}