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tabs

This commit is contained in:
Vadim Lopatin 2014-04-01 18:42:34 +04:00
parent 17c0d2557e
commit bf97ece83f
6 changed files with 75 additions and 20 deletions
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22
examples/example1/main.d
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@ -47,16 +47,10 @@ extern (C) int UIAppMain(string[] args) {
Window window = Platform.instance().createWindow("My Window", null);
static if (true) {
LinearLayout layout = new LinearLayout();
TabWidget tabs = new TabWidget("TABS");
tabs.addTab((new TextWidget()).id("tab1").textColor(0x00802000).text("Tab 1 contents"), "Tab 1"d);
tabs.addTab((new TextWidget()).id("tab2").textColor(0x00802000).text("Tab 2 contents"), "Tab 2"d);
tabs.addTab((new TextWidget()).id("tab3").textColor(0x00802000).text("Tab 3 contents"), "Tab 3"d);
tabs.addTab((new TextWidget()).id("tab4").textColor(0x00802000).text("Tab 4 contents"), "Tab 4"d);
tabs.addTab((new TextWidget()).id("tab5").textColor(0x00802000).text("Tab 5 contents"), "Tab 5"d);
tabs.selectTab("tab1");
layout.addChild(tabs);
tabs.layoutWidth(FILL_PARENT).layoutHeight(FILL_PARENT);
LinearLayout layout = new LinearLayout("tab1");
layout.addChild((new TextWidget()).textColor(0x00802000).text("Text widget 0"));
layout.addChild((new TextWidget()).textColor(0x40FF4000).text("Text widget"));
@ -117,7 +111,15 @@ extern (C) int UIAppMain(string[] args) {
layout.layoutHeight(FILL_PARENT).layoutWidth(FILL_PARENT);
window.mainWidget = layout;
tabs.addTab(layout, "Tab 1"d);
tabs.addTab((new TextWidget()).id("tab2").textColor(0x00802000).text("Tab 2 contents bla bla bla"), "Tab 2"d);
tabs.addTab((new TextWidget()).id("tab3").textColor(0x00802000).text("Tab 3 contents"), "Tab 3"d);
tabs.addTab((new TextWidget()).id("tab4").textColor(0x00802000).text("Tab 4 contents some long string"), "Tab 4"d);
tabs.addTab((new TextWidget()).id("tab5").textColor(0x00802000).text("Tab 5 contents"), "Tab 5"d);
tabs.selectTab("tab1");
window.mainWidget = tabs;
} else {
window.mainWidget = (new Button()).text("sample button");
}

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7
src/dlangui/widgets/styles.d
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@ -646,11 +646,11 @@ Theme createDefaultTheme() {
tabUp.layoutWidth(FILL_PARENT);
tabUp.createState(State.Selected, State.Selected).backgroundImageId("tab_up_backgrond_selected");
Style tabUpButtonText = res.createSubstyle("TAB_UP_BUTTON_TEXT");
tabUpButtonText.textColor(0xFFFFFF).fontSize(12);
tabUpButtonText.textColor(0xFFFFFF).fontSize(12).alignment(Align.Center);
tabUpButtonText.createState(State.Selected, State.Selected).textColor(0x000000);
tabUpButtonText.createState(State.Selected|State.Focused, State.Selected|State.Focused).textColor(0x000000);
tabUpButtonText.createState(State.Focused, State.Focused).textColor(0x000000);
tabUpButtonText.createState(State.Hover, State.Hover).textColor(0x404000);
tabUpButtonText.createState(State.Hover, State.Hover).textColor(0xFFE0E0);
Style tabUpButton = res.createSubstyle("TAB_UP_BUTTON");
tabUpButton.backgroundImageId("tab_btn_up_normal");
tabUpButton.createState(State.Selected, State.Selected).backgroundImageId("tab_btn_up_selected");
@ -659,6 +659,9 @@ Theme createDefaultTheme() {
tabUpButton.createState(State.Hover, State.Hover).backgroundImageId("tab_btn_up_hover");
Style tabHost = res.createSubstyle("TAB_HOST");
tabHost.layoutWidth(FILL_PARENT).layoutHeight(FILL_PARENT);
tabHost.backgroundColor(0xF0F0F0);
Style tabWidget = res.createSubstyle("TAB_WIDGET");
tabWidget.backgroundImageId("frame_blue");
//res.dumpStats();
return res;
}

58
src/dlangui/widgets/tabs.d
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@ -3,6 +3,10 @@ module dlangui.widgets.tabs;
import dlangui.widgets.layouts;
import dlangui.widgets.controls;
interface TabHandler {
void onTabChanged(string newActiveTabId, string previousTabId);
}
class TabItem {
private string _iconRes;
private string _id;
@ -140,6 +144,10 @@ class TabControl : WidgetGroup {
protected bool _enableCloseButton;
protected TabItemWidget[] _sortedItems;
protected void delegate(string newActiveTabId, string previousTabId) _onTabChanged;
@property void delegate(string newActiveTabId, string previousTabId) onTabChangedListener() { return _onTabChanged; }
@property TabControl onTabChangedListener(void delegate(string newActiveTabId, string previousTabId) listener) { _onTabChanged = listener; return this; }
this(string ID) {
super(ID);
_items = new TabItemList();
@ -307,29 +315,56 @@ class TabControl : WidgetGroup {
}
}
protected string _selectedTabId;
void selectTab(int index) {
if (_children.get(index + 1).compareId(_selectedTabId))
return; // already selected
string previousSelectedTab = _selectedTabId;
for (int i = 1; i < _children.count; i++) {
if (index == i - 1) {
_children.get(i).state = State.Selected;
_selectedTabId = _children.get(i).id;
} else {
_children.get(i).state = State.Normal;
}
}
if (_onTabChanged !is null)
_onTabChanged(_selectedTabId, previousSelectedTab);
}
}
/// container for widgets controlled by TabControl
class TabHost : FrameLayout {
this(string ID, TabControl tabControl) {
class TabHost : FrameLayout, TabHandler {
this(string ID, TabControl tabControl = null) {
super(ID);
_tabControl = tabControl;
if (_tabControl !is null)
_tabControl.onTabChangedListener = &onTabChanged;
styleId = "TAB_HOST";
}
protected TabControl _tabControl;
/// get currently set control widget
@property TabControl tabControl() { return _tabControl; }
/// set new control widget
@property TabHost tabControl(TabControl newWidget) { _tabControl = newWidget; return this; }
@property TabHost tabControl(TabControl newWidget) {
_tabControl = newWidget;
if (_tabControl !is null)
_tabControl.onTabChangedListener = &onTabChanged;
return this;
}
protected void delegate(string newActiveTabId, string previousTabId) _onTabChanged;
@property void delegate(string newActiveTabId, string previousTabId) onTabChangedListener() { return _onTabChanged; }
@property TabHost onTabChangedListener(void delegate(string newActiveTabId, string previousTabId) listener) { _onTabChanged = listener; return this; }
protected override void onTabChanged(string newActiveTabId, string previousTabId) {
if (newActiveTabId !is null) {
showChild(newActiveTabId);
}
if (_onTabChanged !is null)
_onTabChanged(newActiveTabId, previousTabId);
}
/// remove tab
TabHost removeTab(string id) {
@ -348,6 +383,7 @@ class TabHost : FrameLayout {
assert(widget.id !is null, "ID for tab host page is mandatory");
assert(_children.indexOf(id) == -1, "duplicate ID for tab host page");
_tabControl.addTab(widget.id, label, iconId, enableCloseButton);
addChild(widget);
return this;
}
/// add new tab by id and label string resource id
@ -356,7 +392,7 @@ class TabHost : FrameLayout {
assert(widget.id !is null, "ID for tab host page is mandatory");
assert(_children.indexOf(id) == -1, "duplicate ID for tab host page");
_tabControl.addTab(widget.id, labelResourceId, iconId, enableCloseButton);
TabItem item = new TabItem(id, labelResourceId);
addChild(widget);
return this;
}
/// select tab
@ -369,16 +405,28 @@ class TabHost : FrameLayout {
}
/// compound widget - contains from TabControl widget (tabs header) and TabHost (content pages)
class TabWidget : VerticalLayout {
class TabWidget : VerticalLayout, TabHandler {
protected TabControl _tabControl;
protected TabHost _tabHost;
this(string ID) {
super(ID);
_tabControl = new TabControl("TAB_CONTROL");
_tabHost = new TabHost("TAB_HOST", _tabControl);
styleId = "TAB_WIDGET";
addChild(_tabControl);
addChild(_tabHost);
}
protected void delegate(string newActiveTabId, string previousTabId) _onTabChanged;
@property void delegate(string newActiveTabId, string previousTabId) onTabChangedListener() { return _onTabChanged; }
@property TabWidget onTabChangedListener(void delegate(string newActiveTabId, string previousTabId) listener) { _onTabChanged = listener; return this; }
protected override void onTabChanged(string newActiveTabId, string previousTabId) {
// forward to listener
if (_onTabChanged !is null)
_onTabChanged(newActiveTabId, previousTabId);
}
/// add new tab by id and label string resource id
TabWidget addTab(Widget widget, string labelResourceId, string iconId = null, bool enableCloseButton = false) {
_tabHost.addTab(widget, labelResourceId, iconId, enableCloseButton);

8
src/dlangui/widgets/widget.d
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@ -283,11 +283,13 @@ class Widget {
/// returns widget visibility (Visible, Invisible, Gone)
@property Visibility visibility() { return _visibility; }
/// sets widget visibility (Visible, Invisible, Gone)
@property Widget visibility(Visibility visible) {
@property Widget visibility(Visibility visible) {
if (_visibility != visible) {
if ((_visibility == Visibility.Gone) || (visible == Visibility.Gone))
_visibility = visible;
requestLayout();
requestLayout();
else
invalidate();
_visibility = visible;
}
return this;
}