public bool TryGetValue <T> (StylezStyle style, int propertyNameHashId, out T value)
{
var property = Search(style, propertyNameHashId) as StylePropertyValue <T>;
if (null == property)
{
value = default(T);
return(false);
}
value = property.value;
return(true);
}
private StylezPropertyValue Search(StylezStyle style, int propertyId)
{
if (null == _properties)
{
BuildPropertyDictionary();
}
if (!_properties.TryGetValue(propertyId, out var properties))
{
return(null);
}
var propertyValue = Search(properties, MakeSelector(style.idHash, style.state));
if (propertyValue != null)
{
return(propertyValue);
}
var state = style.state;
if (state == StylezState.SelectedHover)
{
propertyValue = Search(properties, MakeSelector(style.idHash, StylezState.Hover));
}
if (null == propertyValue && state == StylezState.SelectedPressed)
{
propertyValue = Search(properties, MakeSelector(style.idHash, StylezState.Pressed));
}
if (null == propertyValue && state != StylezState.Normal)
{
propertyValue = Search(properties, MakeSelector(style.idHash, StylezState.Normal));
}
return(propertyValue);
}
/// <summary> /// Apply this property to the given component /// </summary> public void Apply(StylezSheet styleSheet, StylezStyle style, Component component) => thunkApply(this, styleSheet, style, component);
private void BuildPropertyDictionary()
{
// Populate the dictionary from the serialized values
_properties = new Dictionary <int, Dictionary <ulong, StylezPropertyValue> >();
_selectorBase = new Dictionary <ulong, ulong>();
if (_styles == null)
{
return;
}
foreach (var serializedStyle in _styles)
{
var styleNameHashId = StylezStyle.StringToHash(serializedStyle.selector.name);
var selector = MakeSelector(styleNameHashId, (StylezState)serializedStyle.selector.state);
// Inheritence
if (!string.IsNullOrEmpty(serializedStyle.inherit.name))
{
var inheritNameHashId = StylezStyle.StringToHash(serializedStyle.inherit.name);
// If both states are "All" then inherit each state individually
if (serializedStyle.selector.state == -1 && serializedStyle.inherit.state == -1)
{
foreach (var state in Enum.GetValues(typeof(StylezState)) as StylezState[])
{
SetBaseSelector(MakeSelector(styleNameHashId, state), MakeSelector(inheritNameHashId, state));
}
}
// If no state was specified for the selector then set all states for this selector to the same base state
else if (serializedStyle.selector.state == -1)
{
var baseSelector = MakeSelector(inheritNameHashId, (StylezState)serializedStyle.inherit.state);
foreach (var state in Enum.GetValues(typeof(StylezState)) as StylezState[])
{
SetBaseSelector(MakeSelector(styleNameHashId, state), baseSelector);
}
}
// If no state was specified for the base then use the normal state
else if (serializedStyle.inherit.state == -1)
{
SetBaseSelector(selector, MakeSelector(inheritNameHashId, StylezState.Normal));
}
// Inerit one state from another..
else
{
SetBaseSelector(selector, MakeSelector(inheritNameHashId, (StylezState)serializedStyle.inherit.state));
}
}
foreach (var serializedProperty in serializedStyle.properties)
{
var propertyNameHashId = StylezStyle.StringToHash(serializedProperty.name);
if (!_properties.TryGetValue(propertyNameHashId, out var selectors))
{
selectors = new Dictionary <ulong, StylezPropertyValue>();
_properties[propertyNameHashId] = selectors;
}
if (!StylezStyle._propertyInfos.TryGetValue(propertyNameHashId, out var propertyInfo))
{
Debug.LogWarning($"Unknown property \"{name}\" in style sheet");
return;
}
var property = propertyInfo.Parse(serializedProperty.value);
if (null == property)
{
return;
}
selectors[selector] = property;
}
}
}
public bool TryGetValue <T> (StylezStyle style, string propertyName, out T value) => TryGetValue <T>(style, StylezStyle.StringToHash(propertyName), out value);