режим предателя + UI референсы и DragonUI
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--[[-----------------------------------------------------------------------------------------------
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-----------------------------------------------------------------------------------------------]]--
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local round = function (num) return math.floor(num + .5); end
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function HybridScrollFrame_OnLoad (self)
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self:EnableMouse(true);
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end
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function HybridScrollFrame_OnValueChanged (self, value)
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HybridScrollFrame_SetOffset(self, value);
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HybridScrollFrame_UpdateButtonStates(self, value);
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end
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function HybridScrollFrame_UpdateButtonStates(self, currValue)
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if ( not currValue ) then
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currValue = self.scrollBar:GetValue();
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end
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self.scrollUp:Enable();
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self.scrollDown:Enable();
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local minVal, maxVal = self.scrollBar:GetMinMaxValues();
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if ( currValue >= maxVal ) then
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self.scrollBar.thumbTexture:Show();
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if ( self.scrollDown ) then
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self.scrollDown:Disable()
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end
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end
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if ( currValue <= minVal ) then
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self.scrollBar.thumbTexture:Show();
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if ( self.scrollUp ) then
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self.scrollUp:Disable();
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end
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end
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end
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function HybridScrollFrame_OnMouseWheel (self, delta, stepSize)
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if ( not self.scrollBar:IsVisible() ) then
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return;
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end
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local minVal, maxVal = 0, self.range;
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stepSize = stepSize or self.stepSize or self.buttonHeight;
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if ( delta == 1 ) then
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self.scrollBar:SetValue(max(minVal, self.scrollBar:GetValue() - stepSize));
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else
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self.scrollBar:SetValue(min(maxVal, self.scrollBar:GetValue() + stepSize));
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end
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end
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function HybridScrollFrameScrollButton_OnUpdate (self, elapsed)
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self.timeSinceLast = self.timeSinceLast + elapsed;
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if ( self.timeSinceLast >= ( self.updateInterval or 0.08 ) ) then
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if ( not IsMouseButtonDown("LeftButton") ) then
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self:SetScript("OnUpdate", nil);
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elseif ( self:IsMouseOver() ) then
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local parent = self.parent or self:GetParent():GetParent();
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HybridScrollFrame_OnMouseWheel (parent, self.direction, (self.stepSize or parent.buttonHeight/3));
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self.timeSinceLast = 0;
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end
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end
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end
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function HybridScrollFrameScrollButton_OnClick (self, button, down)
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local parent = self.parent or self:GetParent():GetParent();
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if ( down ) then
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self.timeSinceLast = (self.timeToStart or -0.2);
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self:SetScript("OnUpdate", HybridScrollFrameScrollButton_OnUpdate);
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HybridScrollFrame_OnMouseWheel (parent, self.direction);
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PlaySound("UChatScrollButton");
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else
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self:SetScript("OnUpdate", nil);
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end
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end
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function HybridScrollFrame_Update (self, totalHeight, displayedHeight)
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local range = totalHeight - self:GetHeight();
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if ( range > 0 and self.scrollBar ) then
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local minVal, maxVal = self.scrollBar:GetMinMaxValues();
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if ( math.floor(self.scrollBar:GetValue()) >= math.floor(maxVal) ) then
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self.scrollBar:SetMinMaxValues(0, range)
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if ( math.floor(self.scrollBar:GetValue()) ~= math.floor(range) ) then
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self.scrollBar:SetValue(range);
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else
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HybridScrollFrame_SetOffset(self, range); -- If we've scrolled to the bottom, we need to recalculate the offset.
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end
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else
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self.scrollBar:SetMinMaxValues(0, range)
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end
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self.scrollBar:Enable();
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HybridScrollFrame_UpdateButtonStates(self);
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self.scrollBar:Show();
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elseif ( self.scrollBar ) then
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self.scrollBar:SetValue(0);
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if ( self.scrollBar.doNotHide ) then
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self.scrollBar:Disable();
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self.scrollUp:Disable();
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self.scrollDown:Disable();
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self.scrollBar.thumbTexture:Hide();
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else
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self.scrollBar:Hide();
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end
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end
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self.range = range;
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self.scrollChild:SetHeight(displayedHeight);
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self:UpdateScrollChildRect();
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end
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function HybridScrollFrame_GetOffset (self)
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return math.floor(self.offset or 0), (self.offset or 0);
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end
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function HybridScrollFrameScrollChild_OnLoad (self)
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self:GetParent().scrollChild = self;
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end
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function HybridScrollFrame_ExpandButton (self, offset, height)
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self.largeButtonTop = round(offset);
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self.largeButtonHeight = round(height)
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HybridScrollFrame_SetOffset(self, self.scrollBar:GetValue());
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end
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function HybridScrollFrame_CollapseButton (self)
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self.largeButtonTop = nil;
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self.largeButtonHeight = nil;
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end
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function HybridScrollFrame_SetOffset (self, offset)
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local buttons = self.buttons
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local buttonHeight = self.buttonHeight;
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local element, overflow;
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local scrollHeight = 0;
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local largeButtonTop = self.largeButtonTop
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if ( largeButtonTop and offset >= largeButtonTop ) then
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local largeButtonHeight = self.largeButtonHeight;
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-- Initial offset...
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element = largeButtonTop / buttonHeight;
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if ( offset >= (largeButtonTop + largeButtonHeight) ) then
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element = element + 1;
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local leftovers = (offset - (largeButtonTop + largeButtonHeight) );
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element = element + ( leftovers / buttonHeight );
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overflow = element - math.floor(element);
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scrollHeight = overflow * buttonHeight;
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else
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scrollHeight = math.abs(offset - largeButtonTop);
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end
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else
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element = offset / buttonHeight;
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overflow = element - math.floor(element);
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scrollHeight = overflow * buttonHeight;
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end
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if ( math.floor(self.offset or 0) ~= math.floor(element) and self.update ) then
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self.offset = element;
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self.update();
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else
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self.offset = element;
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end
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self:SetVerticalScroll(scrollHeight);
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end
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function HybridScrollFrame_CreateButtons (self, buttonTemplate, initialOffsetX, initialOffsetY, initialPoint, initialRelative, offsetX, offsetY, point, relativePoint)
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local scrollChild = self.scrollChild;
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local button, buttonHeight, buttons, numButtons;
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local buttonName = self:GetName() .. "Button";
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initialPoint = initialPoint or "TOPLEFT";
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initialRelative = initialRelative or "TOPLEFT";
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point = point or "TOPLEFT";
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relativePoint = relativePoint or "BOTTOMLEFT";
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offsetX = offsetX or 0;
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offsetY = offsetY or 0;
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if ( self.buttons ) then
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buttons = self.buttons;
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buttonHeight = buttons[1]:GetHeight();
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else
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button = CreateFrame("BUTTON", buttonName .. 1, scrollChild, buttonTemplate);
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buttonHeight = button:GetHeight();
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button:SetPoint(initialPoint, scrollChild, initialRelative, initialOffsetX, initialOffsetY);
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buttons = {}
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tinsert(buttons, button);
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end
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self.buttonHeight = round(buttonHeight);
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local numButtons = math.ceil(self:GetHeight() / buttonHeight) + 1;
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for i = #buttons + 1, numButtons do
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button = CreateFrame("BUTTON", buttonName .. i, scrollChild, buttonTemplate);
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button:SetPoint(point, buttons[i-1], relativePoint, offsetX, offsetY);
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tinsert(buttons, button);
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end
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scrollChild:SetWidth(self:GetWidth())
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scrollChild:SetHeight(numButtons * buttonHeight);
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self:SetVerticalScroll(0);
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self:UpdateScrollChildRect();
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self.buttons = buttons;
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local scrollBar = self.scrollBar;
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scrollBar:SetMinMaxValues(0, numButtons * buttonHeight)
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scrollBar:SetValueStep(.005);
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scrollBar:SetValue(0);
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end
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