io.bdeploy.common.cli.data.DataTableColumn Maven / Gradle / Ivy
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package io.bdeploy.common.cli.data;
/**
* A single column in a {@link DataTable}.
*/
public class DataTableColumn {
private final String label;
private final String name;
private final int minimumWidth;
private final boolean scaleToContent;
private DataTableColumn(String label, String name, int minimumWidth, boolean scaleToContent) {
this.label = label;
this.name = name;
this.minimumWidth = minimumWidth;
this.scaleToContent = scaleToContent;
}
/**
* @return The human readable label of this {@link DataTableColumn}.
*/
public String getLabel() {
return label;
}
/**
* @return The machine readable name of this {@link DataTableColumn}.
*/
public String getName() {
return name;
}
/**
* @return The minimumWidth of this {@link DataTableColumn}.
*/
public int getMinimumWidth() {
return minimumWidth;
}
/**
* @return The whether this {@link DataTableColumn} should be scaled to its content.
*/
public boolean getScaleToContent() {
return scaleToContent;
}
public static class Builder {
private static final int DEFAULT_MINIMUM_WIDTH = 5;
private static final boolean DEFAULT_SCALE_TO_CONTENT = false;
private final String label;
private String name;
private int minimumWidth = DEFAULT_MINIMUM_WIDTH;
private boolean scaleToContent = DEFAULT_SCALE_TO_CONTENT;
/**
* @param label The human readable label of the {@link DataTableColumn}.
*/
public Builder(String label) {
this.label = label != null ? label : "";
}
/**
* Sets the machine readable name {@link DataTableColumn}
* If not set, a default value will be calculated from the given label.
*
* @return This {@link Builder}, for chaining
*/
public Builder setName(String name) {
this.name = name;
return this;
}
/**
* Sets the minimum width of the {@link DataTableColumn} in characters.
* This value may or may not be respected, depending on the implementation.
*
* This value is ignored if {@link #setScaleToContent(boolean) scaleToContent} is set to true.
*
* The default value is {@value #DEFAULT_MINIMUM_WIDTH}.
*
* @return This {@link Builder}, for chaining
* @see #setScaleToContent(boolean)
*/
public Builder setMinWidth(int minimumWidth) {
this.minimumWidth = minimumWidth;
return this;
}
/**
* If set to true, the width of the column will be set so that it exactly fits its longest content.
* This value may or may not be respected, depending on the implementation.
*
* This flag takes precedence over {@link #setMinWidth(int) the minimum width}.
*
* The default value is {@value #DEFAULT_SCALE_TO_CONTENT}.
*
* @return This {@link Builder}, for chaining
* @see #setMinWidth(int)
*/
public Builder setScaleToContent(boolean scaleToContent) {
this.scaleToContent = scaleToContent;
return this;
}
public DataTableColumn build() {
return new DataTableColumn(label, name != null ? name : DataRenderingHelper.calculateName(label), minimumWidth,
scaleToContent);
}
}
}