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100 lines
4.9 KiB
100 lines
4.9 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx.gfui;
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import gplx.GfoEvMgr;
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import gplx.GfoEvMgrOwner;
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import gplx.GfoEvMgr_;
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import gplx.GfoMsg;
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import gplx.GfsCtx;
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import gplx.Keyval_hash;
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import gplx.String_;
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import gplx.Tfds;
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import gplx.core.threads.Thread_adp;
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import gplx.core.threads.Thread_adp_;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.widgets.Combo;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Control;
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class Swt_combo implements GxwElem, GxwComboBox, Swt_control, GfoEvMgrOwner {
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private final Combo combo;
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public Swt_combo(Swt_control owner, Keyval_hash ctorArgs) {
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combo = new Combo(owner.Under_composite(), SWT.DROP_DOWN);
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core = new Swt_core_cmds(combo);
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combo.addKeyListener(new Swt_lnr_key(this));
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combo.addMouseListener(new Swt_lnr_mouse(this));
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combo.addSelectionListener(new Swt_combo__selection_listener(this));
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}
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@Override public GfoEvMgr EvMgr() {return ev_mgr;} private GfoEvMgr ev_mgr; public void EvMgr_(GfoEvMgr v) {ev_mgr = v;}
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@Override public Control Under_control() {return combo;}
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@Override public Control Under_menu_control() {return combo;}
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@Override public String TextVal() {return combo.getText();} @Override public void TextVal_set(String v) {combo.setText(v);}
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@Override public GxwCore_base Core() {return core;} GxwCore_base core;
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@Override public GxwCbkHost Host() {return host;} @Override public void Host_set(GxwCbkHost host) {this.host = host;} GxwCbkHost host;
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@Override public Composite Under_composite() {return null;}
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@Override public void EnableDoubleBuffering() {}
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@Override public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {return null;}
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@Override public Object SelectedItm() {return null;}
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@Override public int SelBgn() {return combo.getSelection().x;} @Override public void SelBgn_set(int v) {combo.setSelection(new Point(combo.getSelection().y, v));}
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@Override public int SelLen() {return combo.getSelection().y;} @Override public void SelLen_set(int v) {combo.setSelection(new Point(v, combo.getSelection().x));}
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@Override public void Sel_(int bgn, int end) {combo.setSelection(new Point(bgn, end));}
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@Override public void SelectedItm_set(Object v) {}
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@Override public String[] DataSource_as_str_ary() {return String_.Ary_empty;}
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@Override public void DataSource_set(Object... ary) {combo.setItems((String[])ary);}
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@Override public String Text_fallback() {return "";} @Override public void Text_fallback_(String v) {}
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@Override public int List_sel_idx() {return -1;} @Override public void List_sel_idx_(int v) {}
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@Override public void Items__update(String[] ary) {}
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@Override public void Items__size_to_fit(int count) {}
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@Override public void Items__visible_rows_(int v) {}
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@Override public void Items__jump_len_(int v) {}
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@Override public void Margins_set(int left, int top, int right, int bot) {}
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// @Override public void DataSource_update(Object... ary) {
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// String[] src = (String[])ary;
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// int trg_len = combo.getItems().length;
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// int src_len = src.length;
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// for (int i = 0; i < trg_len; ++i) {
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// combo.setItem(i, i < src_len ? src[i] : "");
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// }
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// }
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@Override public boolean List_visible() {return combo.getListVisible();}
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@Override public void List_visible_(boolean v) {
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String prv_text = combo.getText();
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combo.setListVisible(v);
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String cur_text = combo.getText();
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while (!String_.Eq(cur_text, prv_text)) { // NOTE: setting setListVisible to true may cause text to grab item from dropDown list; try to reset to original value; DATE:2016-03-14
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Thread_adp_.Sleep(1);
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combo.setText(prv_text);
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cur_text = combo.getText();
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}
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int text_len = prv_text == null ? 0 : prv_text.length();
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combo.setSelection(new Point(text_len, text_len));
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}
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}
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class Swt_combo__selection_listener implements SelectionListener {
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private final Swt_combo combo;
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public Swt_combo__selection_listener(Swt_combo combo) {this.combo = combo;}
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@Override public void widgetSelected(SelectionEvent arg0) {
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GfoEvMgr_.Pub(combo, GfuiComboBox.Evt__selected_changed);
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}
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@Override public void widgetDefaultSelected(SelectionEvent arg0) {}
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}
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